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GPU Comparison
AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GT 425M
AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GT 425M
VS
AMD Radeon HD 6990M Rebrand
NVIDIA GeForce GT 425M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M Rebrand 's Advantages
Released 10 months late
Larger VRAM bandwidth (70.40GB/s vs 25.60GB/s)
704 additional rendering cores
NVIDIA GeForce GT 425M 's Advantages
Lower TDP (23W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 6990M Rebrand
+495%
1.28 TFLOPS
GeForce GT 425M
0.215 TFLOPS
Radeon HD 6990M Rebrand
VS
GeForce GT 425M
Graphics Card
Jul 2011
Release Date
Sep 2010
Vancouver
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1100 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
70.40GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
2
14
Compute Units
-
800
Shading Units
96
40
TMUs
16
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
Theoretical Performance
12.80 GPixel/s
Pixel Rate
2.240 GPixel/s
32.00 GTexel/s
Texture Rate
8.960 GTexel/s
-
FP16 (half)
-
1280 GFLOPS
FP32 (float)
215.0 GFLOPS
-
FP64 (double)
17.92 GFLOPS
Graphics Processor
Broadway
GPU Name
GF108
Broadway XTX
GPU Variant
N11P-GS-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
0.585 billion
166 mm²
Die Size
116 mm²
Board Design
100W
TDP
23W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1
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