Home GPU Comparison AMD Radeon R9 M375X vs NVIDIA GeForce GT 645M

AMD Radeon R9 M375X vs NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M375X and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M375X 's Advantages
Released 2 years and 7 months late
Boost Clock1015MHz
Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M375X +138%
1.299 TFLOPS
GeForce GT 645M
0.544 TFLOPS
VS

Graphics Card

May 2015
Release Date
Oct 2012
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

925 MHz
Base Clock
-
1015 MHz
Boost Clock
-
1125 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
28.80GB/s

Render Config

-
SM Count
-
10
Compute Units
-
640
Shading Units
384
40
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

16.24 GPixel/s
Pixel Rate
5.672 GPixel/s
40.60 GTexel/s
Texture Rate
22.69 GTexel/s
-
FP16 (half)
-
1299 GFLOPS
FP32 (float)
544.5 GFLOPS
81.20 GFLOPS
FP64 (double)
22.69 GFLOPS

Graphics Processor

Tropo
GPU Name
GK107
Tropo XTX
GPU Variant
N13P-GS
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
1.27 billion
123 mm²
Die Size
118 mm²

Board Design

Unknown
TDP
32W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
-

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5 (5.1)
Shader Model
5.1

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