AMD Radeon HD 6990 vs NVIDIA GeForce GT 120 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 512MB VRAM GeForce GT 120 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990 's Advantages
Released 2 years late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 16.13GB/s)
1504 additional rendering cores
NVIDIA GeForce GT 120 OEM 's Advantages
Lower TDP (50W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+2061%
2.55 TFLOPS
GeForce GT 120 OEM
0.118 TFLOPS
Graphics Card
Mar 2011
Release Date
Mar 2009
Northern Islands
Generation
GeForce 100
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
504 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
16.13GB/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
26.56 GPixel/s
Pixel Rate
5.904 GPixel/s
79.68 GTexel/s
Texture Rate
11.81 GTexel/s
-
-
-
2.550 TFLOPS
FP32 (float)
117.5 GFLOPS
637.4 GFLOPS
FP64 (double)
-
Board Design
375W
TDP
50W
750 W
Suggested PSU
250 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 8-pin
Power Connectors
None
Graphics Processor
Antilles
GPU Name
G96C
Antilles XT
(215-0807027)
GPU Variant
-
TeraScale 3
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.64 billion
Transistors
0.314 billion
389 mm²
Die Size
121 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
