Home GPU Comparison AMD Radeon RX Vega M GH vs NVIDIA GeForce GT 640M

AMD Radeon RX Vega M GH vs NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH 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 RX Vega M GH 's Advantages
Released 5 years and 11 months late
Boost Clock1190MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (204.8GB/s vs 28.80GB/s)
1152 additional rendering cores
NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX Vega M GH +661%
3.656 TFLOPS
GeForce GT 640M
0.48 TFLOPS
VS

Graphics Card

Feb 2018
Release Date
Mar 2012
Vega
Generation
GeForce 600M
Mobile
Type
Mobile
IGP
Bus Interface
PCIe 3.0 x16

Clock Speeds

1063 MHz
Base Clock
-
1190 MHz
Boost Clock
-
800 MHz
Memory Clock
900 MHz

Memory

4GB
Memory Size
2GB
HBM2
Memory Type
DDR3
1024bit
Memory Bus
128bit
204.8GB/s
Bandwidth
28.80GB/s

Render Config

-
SM Count
-
24
Compute Units
-
1536
Shading Units
384
96
TMUs
32
64
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
256 KB

Theoretical Performance

76.16 GPixel/s
Pixel Rate
5.000 GPixel/s
114.2 GTexel/s
Texture Rate
20.00 GTexel/s
3.656 TFLOPS
FP16 (half)
-
3.656 TFLOPS
FP32 (float)
480.0 GFLOPS
228.5 GFLOPS
FP64 (double)
20.00 GFLOPS

Graphics Processor

Polaris 22
GPU Name
GK107
VegaM XT (C7398773)
GPU Variant
N13P-GS
GCN 4.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5 billion
Transistors
1.27 billion
208 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
2.1
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.4
Shader Model
5.1

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