PC Part DB: Build Smarter: Compare PC part benchmarks & specsPC PART DB

AMD Radeon R9 390X vs AMD Radeon HD 7870 (GHz Edition)

AMD
VS
AMD
Performance
Radeon R9 390X190% better
17,94417% of 104,937
Radeon HD 7870 (GHz Edition)
6,1946% of 104,937

The Radeon R9 390X has 190% better performance than the Radeon HD 7870 (GHz Edition) for the 3DMark 11 Performance GPU benchmark.

Performance per dollar
Radeon R9 390X136% better
41.8326% of 161.45
Radeon HD 7870 (GHz Edition)
17.7511% of 161.45

The Radeon R9 390X has 136% better value for the money than the Radeon HD 7870 (GHz Edition) for the 3DMark 11 Performance GPU benchmark.

Shop Radeon R9 390X
Shop Radeon HD 7870 (GHz Edition)
As an Amazon Associate I earn from qualifying purchases.

Summary

#

About the AMD Radeon R9 390X GPU

The Radeon R9 390X is an end-of-life desktop graphics card by AMD. It launched in Q2 2015 with a suggested retail price of $429. Its Grenada chip that powers the GPU uses the GCN 2.0 architecture and is fabricated on the 28 nm process.

This GPU is paired with 8 GB of GDDR5 VRAM. Its 1,500 MHz memory clock and 512 bit interface gives it a bandwidth of 384 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.

The R9 390X is a dual slot graphics card, taking up 2 PCIe slots. It supports DVI, HDMI 1.4a, DisplayPort 1.2 display ports. This desktop card has a TDP of 275 W. AMD recommends using a power supply of at least 600 W with this card. A power supply lower than this might result in system crashes and potentially damage your hardware.

The Radeon R9 390X has the 121st highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 17.10% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090. Its 17,944 score and $429 launch price (MSRP) gives it a performance per dollar of 41.83. This is the 68th best in value for the 3DMark 11 Performance GPU benchmark.

About the AMD Radeon HD 7870 (GHz Edition) GPU

The Radeon HD 7870 (GHz Edition) is an end-of-life desktop graphics card by AMD. It launched in Q1 2012 with a suggested retail price of $349. Its Pitcairn chip that powers the GPU uses the GCN 1.0 architecture and is fabricated on the 28 nm process.

This GPU is paired with 2 GB of GDDR5 VRAM. Its 1,200 MHz memory clock and 256 bit interface gives it a bandwidth of 153.6 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.

The HD 7870 (GHz Edition) is a dual slot graphics card, taking up 2 PCIe slots. It supports DVI, HDMI 1.4a, mini-DisplayPort 1.2 display ports. This desktop card has a TDP of 175 W. AMD recommends using a power supply of at least 450 W with this card. A power supply lower than this might result in system crashes and potentially damage your hardware.

The Radeon HD 7870 (GHz Edition) has the 223rd highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 5.90% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090. Its 6,194 score and $349 launch price (MSRP) gives it a performance per dollar of 17.75. This is the 88th best in value for the 3DMark 11 Performance GPU benchmark.

General Info

General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.

InfoRadeon R9 390XRadeon HD 7870 (GHz Edition)
ManufacturerAMDAMD
ArchitectureGCN 2.0GCN 1.0
Market SegmentDesktopDesktop
Release DateQ2 2015Q1 2012
Launch Price (MSRP)$429$349
Production StatusEnd-of-lifeEnd-of-life
ShopCheck PriceCheck Price

Gaming Performance

#

Select a game to compare FPS metrics

Display FPS for The Witcher 3: Wild Hunt
The Witcher 3
Display FPS for BioShock Infinite
BioShock Infinite

FPS Benchmarks

This table showcases the average frame rate (FPS) achieved both GPUs in at various resolutions. Frame rate is a crucial indicator of how smoothly the GPU can run the game. A higher FPS generally translates to a smoother gameplay experience.

  • Frames Per Second
FPS data for The Witcher 3: Wild Hunt
The Witcher 3
Radeon R9 390XRadeon HD 7870 (GHz Edition)
Low - 720p
184 FPS
--
Medium - 768p
131 FPS(+106.14%)
64 FPS
High - 1080p
76 FPS(+109.37%)
36 FPS
Ultra - 1080p
41 FPS(+100.99%)
20 FPS
QHD - 1440p
--
--
4K UHD - 2160p
29 FPS
--
FPS Source: Notebookcheck

Compare Frames Per Second (FPS)

The average frame rate (FPS) in can be compared to similar GPUs to assess relative performance. Generally, higher FPS results in a smoother gameplay experience.

Choose Baseline GPU:Radeon R9 390X orRadeon HD 7870 (GHz Edition)

Compare Cost Per Frame

The average cost per frame in can be compared to similar GPUs to assess relative value. Generally, a lower cost per frame implies better value for your money.

Choose Baseline GPU:Radeon R9 390X orRadeon HD 7870 (GHz Edition)
GPUCost Per Frame
Radeon RX Vega 6410.4-29%
GeForce GTX 108010.7-27%
Radeon R9 38010.76-27%
GeForce GTX 97011.31-23%
Radeon VII12.87-13%
Radeon R9 390X14.74
GeForce GTX 980 Ti14.75+0%
Radeon R9 FURY15.29+4%
Radeon R9 Nano18.54+26%
GeForce GTX 98018.93+28%

Benchmark Performance

#
Performance
Radeon R9 390X190% better
17,94417% of 104,937
Radeon HD 7870 (GHz Edition)
6,1946% of 104,937

The Radeon R9 390X has 190% better performance than the Radeon HD 7870 (GHz Edition) for the 3DMark 11 Performance GPU benchmark.

The Radeon R9 390X is ranked 121st with a score of 17,944, and the Radeon HD 7870 (GHz Edition) is ranked 223rd with a score of 6,194.

Performance per dollar
Radeon R9 390X136% better
41.8326% of 161.45
Radeon HD 7870 (GHz Edition)
17.7511% of 161.45

The Radeon R9 390X has 136% better value for the money than the Radeon HD 7870 (GHz Edition) for the 3DMark 11 Performance GPU benchmark.

The Radeon R9 390X is ranked 68th with a performance per dollar of 41.83, and the Radeon HD 7870 (GHz Edition) is ranked 88th with a performance per dollar of 17.75.

Relative Performance

The average score in the benchmark test can be compared to similar GPUs to assess relative performance. Generally, powerful GPUs tend to have higher scores.

Choose Baseline GPU:Radeon R9 390X or
GPUBenchmark Performance
Radeon RX 57018,967+6%
GeForce GTX 1650 SUPER18,218+2%
Radeon R9 390X17,944
Radeon RX 48017,919-0%
Radeon RX 47017,624.5-2%
GeForce GTX 7607,962-56%
Radeon HD 79707,770-57%
Radeon HD 7870 (GHz Edition)6,194-65%
GeForce GTX 750 Ti5,378-70%
GeForce GTX 4805,014-72%

Relative Value For Money

The average performance per dollar in the benchmark test can be compared to similar GPUs to assess relative value. A higher score implies a better value for your money.

Choose Baseline GPU:Radeon R9 390X or

Benchmark Scores

This table showcases the average performance scores achieved by both GPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful GPUs tend to have higher scores.

  • Popular
BenchmarkRadeon R9 390XRadeon HD 7870 (GHz Edition)
3DMark Cloud Gate Graphics
74,351
--
3DMark Fire Strike Standard Graphics
12,389
--
3DMark 11 Performance Score
14,327
(+131.45%)
6,190
Cinebench R15 OpenGL 64 Bit
130.9
(+8.99%)
120.1
PassMark G3D Mark
9,440
(+103.4%)
4,641
PassMark G2D Mark
826
(+41.44%)
584
Benchmarks Source: Notebookcheck

Technical Specs

#

Graphics Processor

General information about the graphics processing unit like their architecture, manufacturing process size, and transistor count. Newer GPU architectures generally bring efficiency improvements and may introduce technologies that enhance graphical capabilities.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
CodenameGrenadaPitcairn
ArchitectureGCN 2.0GCN 1.0
Process Size28 nm28 nm
Transistors6,200 million2,800 million

Memory Details

Memory specifications like their capacity, bandwidth, and clock speeds. GPU memory stores graphics data like frames, textures, and shadows which helps display rendered images. These specs are crucial for graphics-intense applications like gaming and 3D modeling.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
Memory Size8 GB2 GB
Memory TypeGDDR5GDDR5
Memory Bandwidth384 Gb/s153.6 Gb/s
Memory Clock1,500 MHz1,200 MHz
Memory Interface512 bit256 bit
L1 Cache16 KB16 KB
L2 Cache1,024 KB512 KB

Board Compatibility

Compatibility information like their slot size, bus interface, power consumption, and display support. These specs are useful for verifying compatibility with your motherboard, power supply, and monitor.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
Slots2 slots2 slots
Bus InterfacePCIe 3.0 x16PCIe 3.0 x16
Thermal Design Power (TDP)275 W175 W
Suggested PSU600 W450 W
Power Connectors1x 6-pin + 1x 8-pin2x 6-pin
OutputsDVI, HDMI 1.4a, DisplayPort 1.2DVI, HDMI 1.4a, mini-DisplayPort 1.2

Cores & Clock Speeds

Processing power information like its cores and clock speed. These specs impact how fast they can process graphics. Each type of core or component serves a specific computational purpose.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
Stream Processors (SP)2,8161,280
Compute Units (CU)4420
Texture Mapping Units (TMU)17680
Render Output Units (ROP)6432
Core Clock Speed1,050 MHz1,000 MHz

Theoretical Performance

Theoretical performance numbers derived from the raw specifications of the different components like core count and clock speeds. While these provide a glimpse into peak processing power, they do not represent real-world performance.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
Pixel Fill Rate67.2 GPixel/s32 GPixel/s
Texture Fill Rate184.8 GTexel/s80 GTexel/s
FP32 Performance5.91 TFLOPS2.56 TFLOPS
FP64 Performance739.2 GFLOPS160 GFLOPS

API Support

Graphics API versions supported by these graphics cards. APIs evolve over time, introducing new features and functionalities. Older GPUs may not support recent versions.

SpecRadeon R9 390XRadeon HD 7870 (GHz Edition)
DirectX12 (12_0)12 (11_1)
OpenCL2.12.1 (1.2)
OpenGL4.64.6
Shader Model6.56.5 (5.1)

Check out these comparisons for similar GPUs:

Looking for alternatives? Check out these similar GPUs:

* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.