Home GPU Comparison AMD Radeon HD 7590M vs NVIDIA GeForce GT 640M Mac Edition

AMD Radeon HD 7590M vs NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7590M and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7590M 's Advantages
More VRAM (1024GB vs 512GB)
96 additional rendering cores
Lower TDP (18W vs 32W)
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Released 1 years and 1 months late
Larger VRAM bandwidth (40.00GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 7590M
0.576 TFLOPS
GeForce GT 640M Mac Edition
0.572 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Feb 2013
London
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
64bit
25.60GB/s
Bandwidth
40.00GB/s

Render Config

6
Compute Units
-
-
-
-
480
Shading Units
384
24
TMUs
32
8
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
-
L2 Cache
128 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
5.960 GPixel/s
14.40 GTexel/s
Texture Rate
23.84 GTexel/s
-
-
-
576.0 GFLOPS
FP32 (float)
572.2 GFLOPS
-
FP64 (double)
23.84 GFLOPS

Board Design

18W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Thames
GPU Name
GK107
Thames XT (216-0833000)
GPU Variant
N13P-GS
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
1.27 billion
104 mm²
Die Size
118 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1

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