Home GPU Comparison AMD Radeon HD 7950M vs NVIDIA GeForce GT 555M

AMD Radeon HD 7950M vs NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages
Larger VRAM bandwidth (128.0GB/s vs 28.80GB/s)
1136 additional rendering cores
NVIDIA GeForce GT 555M 's Advantages
Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)
Radeon HD 7950M +360%
1.792 TFLOPS
GeForce GT 555M
0.389 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Mar 2012
London
Generation
GeForce 500M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
128.0GB/s
Bandwidth
28.80GB/s

Render Config

20
Compute Units
-
-
SM Count
2
1280
Shading Units
144
80
TMUs
24
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

22.40 GPixel/s
Pixel Rate
2.700 GPixel/s
56.00 GTexel/s
Texture Rate
16.20 GTexel/s
-
-
-
1.792 TFLOPS
FP32 (float)
388.8 GFLOPS
-
FP64 (double)
32.40 GFLOPS

Board Design

75W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Wimbledon
GPU Name
GF116
Wimbledon PRO
GPU Variant
N12E-GE2-A1
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.17 billion
212 mm²
Die Size
238 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1

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