ATI Radeon HD 5970 vs Radeon HD 6970
We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5970 's Advantages
64 additional rendering cores
Radeon HD 6970 's Advantages
Released 1 years and 1 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 128.0GB/s)
Lower TDP (250W vs 294W)
Score
Benchmark
FP32 (float)
ATI Radeon HD 5970
2320
Radeon HD 6970
+16%
2703
Graphics Card
Nov 2009
Release Date
Dec 2010
Evergreen
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
176.0GB/s
Render Config
20
Compute Units
24
1600
Shading Units
1536
80
TMUs
96
32
ROPs
32
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
23.20 GPixel/s
Pixel Rate
28.16 GPixel/s
58.00 GTexel/s
Texture Rate
84.48 GTexel/s
2.320 TFLOPS
FP32 (float)
2.703 TFLOPS
464.0 GFLOPS
FP64 (double)
675.8 GFLOPS
Board Design
294W
TDP
250W
600 W
Suggested PSU
600 W
2x DVI
1x mini-DisplayPort 1.1
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Hemlock
GPU Name
Cayman
Hemlock XT
(215-0735075)
GPU Variant
Cayman XT
(215-0807007)
TeraScale 2
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
2.64 billion
334 mm²
Die Size
389 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
