GeForce GT 640M Mac Edition vs Radeon R9 M290X Mac Edition
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 2GB VRAM Radeon R9 M290X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 80W)
Radeon R9 M290X Mac Edition 's Advantages
Released 1 years and 9 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 40.00GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
Radeon R9 M290X Mac Edition
+249%
1997
Graphics Card
Feb 2013
Release Date
Nov 2014
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
975 MHz
1250 MHz
Memory Clock
1365 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
40.00GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
384
Shading Units
1024
32
TMUs
64
8
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
31.20 GPixel/s
23.84 GTexel/s
Texture Rate
62.40 GTexel/s
572.2 GFLOPS
FP32 (float)
1.997 TFLOPS
23.84 GFLOPS
FP64 (double)
124.8 GFLOPS
Board Design
32W
TDP
80W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
Pitcairn
N13P-GS
GPU Variant
Pitcairn PRO
(215-0828062)
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
