Home GPU Comparison AMD Radeon HD 6970 X2 vs NVIDIA GeForce 8600 GS

AMD Radeon HD 6970 X2 vs NVIDIA GeForce 8600 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 512MB VRAM GeForce 8600 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (176.0GB/s vs 12.80GB/s)
1520 additional rendering cores
NVIDIA GeForce 8600 GS 's Advantages
Lower TDP (47W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 X2 +7013%
2.703 TFLOPS
GeForce 8600 GS
0.038 TFLOPS
VS

Graphics Card

Unknown
Release Date
Apr 2007
Northern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
400 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
12.80GB/s

Render Config

24
Compute Units
-
-
SM Count
2
1536
Shading Units
16
96
TMUs
8
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB
-
-
-

Theoretical Performance

28.16 GPixel/s
Pixel Rate
4.320 GPixel/s
84.48 GTexel/s
Texture Rate
4.320 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
38.08 GFLOPS
-
-
-

Board Design

375W
TDP
47W
750 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
3x 8-pin
Power Connectors
None

Graphics Processor

Antilles
GPU Name
G84
Antilles XT (215-0807027)
GPU Variant
-
TeraScale 3
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
80 nm
2.64 billion
Transistors
0.289 billion
389 mm²
Die Size
169 mm²

Graphics Features

11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0

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