Radeon HD 6990 vs GeForce 9600 GT Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM GeForce 9600 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6990 's Advantages
Released 2 years and 3 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 17.02GB/s)
1472 additional rendering cores
GeForce 9600 GT Mac Edition 's Advantages
Lower TDP (95W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+1228%
2550
GeForce 9600 GT Mac Edition
192
Graphics Card
Mar 2011
Release Date
Dec 2008
Northern Islands
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1250 MHz
Memory Clock
266 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
17.02GB/s
Render Config
24
Compute Units
-
-
SM Count
8
1536
Shading Units
64
96
TMUs
32
32
ROPs
16
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
9.600 GPixel/s
79.68 GTexel/s
Texture Rate
19.20 GTexel/s
2.550 TFLOPS
FP32 (float)
192.0 GFLOPS
637.4 GFLOPS
FP64 (double)
-
Board Design
375W
TDP
95W
750 W
Suggested PSU
250 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
2x DVI
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Antilles
GPU Name
G94
Antilles XT
(215-0807027)
GPU Variant
G94-300-A1
TeraScale 3
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
2.64 billion
Transistors
0.505 billion
389 mm²
Die Size
240 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
