Radeon HD 6990 vs GeForce 8800 GTS Core 112
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 640MB VRAM GeForce 8800 GTS Core 112 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6990 's Advantages
Released 3 years and 4 months late
More VRAM (2GB vs 640GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
1424 additional rendering cores
GeForce 8800 GTS Core 112 's Advantages
Lower TDP (150W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+847%
2550
GeForce 8800 GTS Core 112
269
Graphics Card
Mar 2011
Release Date
Nov 2007
Northern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1250 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
640MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
320bit
160.0GB/s
Bandwidth
64.00GB/s
Render Config
24
Compute Units
-
-
SM Count
14
1536
Shading Units
112
96
TMUs
28
32
ROPs
20
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
80 KB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
10.00 GPixel/s
79.68 GTexel/s
Texture Rate
28.00 GTexel/s
2.550 TFLOPS
FP32 (float)
268.8 GFLOPS
637.4 GFLOPS
FP64 (double)
-
Board Design
375W
TDP
150W
750 W
Suggested PSU
450 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
2x DVI
1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Antilles
GPU Name
G80
Antilles XT
(215-0807027)
GPU Variant
G80-100-K0-A2
TeraScale 3
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
90 nm
2.64 billion
Transistors
0.681 billion
389 mm²
Die Size
484 mm²
Graphics Features
11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1 (1.0)
N/A
Vulkan
N/A
-
CUDA
1.0
5.0
Shader Model
4.0