NVIDIA GeForce 820M vs AMD Radeon HD 7950M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 2GB VRAM Radeon HD 7950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 820M 's Advantages
Released 2 years and 11 months late
Lower TDP (45W vs 75W)
AMD Radeon HD 7950M 's Advantages
Larger VRAM bandwidth (128.0GB/s vs 28.83GB/s)
896 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 820M
0.622 TFLOPS
Radeon HD 7950M
+188%
1.792 TFLOPS
Graphics Card
Mar 2015
Release Date
Apr 2012
GeForce 800M
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
901 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.83GB/s
Bandwidth
128.0GB/s
Render Config
-
Compute Units
20
-
-
-
384
Shading Units
1280
32
TMUs
80
16
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
6.480 GPixel/s
Pixel Rate
22.40 GPixel/s
25.92 GTexel/s
Texture Rate
56.00 GTexel/s
-
-
-
622.1 GFLOPS
FP32 (float)
1.792 TFLOPS
25.92 GFLOPS
FP64 (double)
-
Board Design
45W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK107
GPU Name
Wimbledon
-
GPU Variant
Wimbledon PRO
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
2.8 billion
118 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1
