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GPU Comparison
NVIDIA GeForce 620M vs AMD Radeon HD 7850M
NVIDIA GeForce 620M vs AMD Radeon HD 7850M
VS
NVIDIA GeForce 620M
AMD Radeon HD 7850M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 620M 's Advantages
Lower TDP (15W vs 40W)
AMD Radeon HD 7850M 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 620M
0.24 TFLOPS
Radeon HD 7850M
+260%
0.864 TFLOPS
GeForce 620M
VS
Radeon HD 7850M
Graphics Card
Mar 2012
Release Date
Apr 2012
GeForce 600M
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
64.00GB/s
Render Config
2
SM Count
-
-
Compute Units
10
96
Shading Units
640
16
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
10.80 GPixel/s
10.00 GTexel/s
Texture Rate
27.00 GTexel/s
-
FP16 (half)
-
240.0 GFLOPS
FP32 (float)
864.0 GFLOPS
20.00 GFLOPS
FP64 (double)
54.00 GFLOPS
Graphics Processor
GF117
GPU Name
Heathrow
N13P-GLP
GPU Variant
Heathrow PRO
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
1.5 billion
116 mm²
Die Size
123 mm²
Board Design
15W
TDP
40W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.1
CUDA
-
5.1
Shader Model
5.1
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