AMD Radeon HD 6970 vs AMD Radeon R5 310 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon R5 310 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 14.40GB/s)
1376 additional rendering cores
AMD Radeon R5 310 OEM 's Advantages
Released 4 years and 5 months late
Lower TDP (35W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 6970
+865%
2.703 TFLOPS
Radeon R5 310 OEM
0.28 TFLOPS
Graphics Card
Dec 2010
Release Date
May 2015
Northern Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1375 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
176.0GB/s
Bandwidth
14.40GB/s
Render Config
24
Compute Units
2
-
-
-
1536
Shading Units
160
96
TMUs
8
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
28.16 GPixel/s
Pixel Rate
3.500 GPixel/s
84.48 GTexel/s
Texture Rate
7.000 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
280.0 GFLOPS
675.8 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
35W
600 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Cayman
GPU Name
Caicos
Cayman XT
(215-0807007)
GPU Variant
Caicos XT
(215-0804070)
TeraScale 3
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
0.37 billion
389 mm²
Die Size
67 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
5.0
