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GPU Comparison
AMD Radeon HD 8950M vs NVIDIA GeForce GT 640M
AMD Radeon HD 8950M vs NVIDIA GeForce GT 640M
VS
AMD Radeon HD 8950M
NVIDIA GeForce GT 640M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8950M 's Advantages
Released 1 years and 2 months late
Larger VRAM bandwidth (88.00GB/s vs 28.80GB/s)
384 additional rendering cores
NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 8950M
+243%
1.651 TFLOPS
GeForce GT 640M
0.48 TFLOPS
Radeon HD 8950M
VS
GeForce GT 640M
Graphics Card
May 2013
Release Date
Mar 2012
Solar System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
88.00GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
12
Compute Units
-
768
Shading Units
384
48
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
17.20 GPixel/s
Pixel Rate
5.000 GPixel/s
51.60 GTexel/s
Texture Rate
20.00 GTexel/s
-
FP16 (half)
-
1.651 TFLOPS
FP32 (float)
480.0 GFLOPS
103.2 GFLOPS
FP64 (double)
20.00 GFLOPS
Graphics Processor
Saturn
GPU Name
GK107
Saturn XT
GPU Variant
N13P-GS
GCN 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
1.27 billion
160 mm²
Die Size
118 mm²
Board Design
100W
TDP
32W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.3
Shader Model
5.1
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