Home GPU Comparison AMD Radeon HD 6930 vs AMD Radeon HD 6970

AMD Radeon HD 6930 vs AMD Radeon HD 6970

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages
Released 1 years late
Lower TDP (186W vs 250W)
AMD Radeon HD 6970 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 153.6GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6930
1.92 TFLOPS
Radeon HD 6970 +40%
2.703 TFLOPS
VS

Graphics Card

Dec 2011
Release Date
Dec 2010
Northern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1200 MHz
Memory Clock
1375 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
176.0GB/s

Render Config

20
Compute Units
24
-
-
-
1280
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

24.00 GPixel/s
Pixel Rate
28.16 GPixel/s
60.00 GTexel/s
Texture Rate
84.48 GTexel/s
-
-
-
1.920 TFLOPS
FP32 (float)
2.703 TFLOPS
480.0 GFLOPS
FP64 (double)
675.8 GFLOPS

Board Design

186W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Cayman
GPU Name
Cayman
Cayman CE (215-0807105)
GPU Variant
Cayman XT (215-0807007)
TeraScale 3
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
2.64 billion
389 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

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