ATI Radeon HD 5870 vs AMD Radeon R9 390
GPU · Specs Compare
Graphics Card
Release Date
Sep 2009
Jun 2015
Generation
Evergreen
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1500 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
153.6GB/s
384.0GB/s
Render Config
Compute Units
20
40
Shading Units
1600
2560
TMUs
80
160
ROPs
32
64
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
64.00 GPixel/s
Texture Rate
68.00 GTexel/s
160.0 GTexel/s
FP32 (float)
2.720 TFLOPS
5.120 TFLOPS
FP64 (double)
544.0 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Cypress
Grenada
GPU Variant
Cypress XT(215-0735033)
Grenada PRO(215-0880030)
Architecture
TeraScale 2
GCN 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
6.2 billion
Die Size
334 mm²
438 mm²
Board Design
TDP
188W
275W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.3
Benchmark
3DMark Time Spy
—
3,964
3DMark Time Spy Extreme
—
1,931
▲ Specs Compare
Data sourced from official specifications and benchmark tests.