ATI Radeon HD 5950 vs AMD Radeon R9 390 X2
GPU Specs Compare
Graphics Card
Release Date
Unknown
Sep 2015
Generation
Evergreen
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1350 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
128.0GB/s
345.6GB/s
Render Config
Compute Units
18
40
Shading Units
1440
2560
TMUs
72
160
ROPs
32
64
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
64.00 GPixel/s
Texture Rate
52.20 GTexel/s
160.0 GTexel/s
FP32 (float)
2.088 TFLOPS
5.120 TFLOPS
FP64 (double)
-
640.0 GFLOPS
Graphics Processor
GPU Name
Hemlock
Grenada
GPU Variant
Hemlock PRO(215-0735443)
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
302W
580W
Suggested PSU
700 W
950 W
Outputs
2x DVI1x mini-DisplayPort 1.1
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
4x 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