AMD Radeon HD 6970 vs NVIDIA GeForce 8600 GT Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 128MB VRAM GeForce 8600 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 's Advantages
Released 3 years and 8 months late
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (176.0GB/s vs 24.00GB/s)
1504 additional rendering cores
NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Lower TDP (47W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 6970
+2806%
2.703 TFLOPS
GeForce 8600 GT Mac Edition
0.093 TFLOPS
Graphics Card
Dec 2010
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
750 MHz
Memory
2GB
Memory Size
128MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
24.00GB/s
Render Config
24
Compute Units
-
-
SM Count
4
1536
Shading Units
32
96
TMUs
16
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
28.16 GPixel/s
Pixel Rate
4.800 GPixel/s
84.48 GTexel/s
Texture Rate
9.600 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
92.80 GFLOPS
675.8 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
47W
600 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Cayman
GPU Name
G84
Cayman XT
(215-0807007)
GPU Variant
G84-303-A2
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
