AMD Radeon R9 M290X vs NVIDIA GeForce GT 645M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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 M290X 's Advantages
Released 1 years and 3 months late
Boost Clock900MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)
896 additional rendering cores
NVIDIA GeForce GT 645M 's Advantages
Lower TDP (32W vs 100W)
Score
Benchmark
FP32 (float)
Radeon R9 M290X
+323%
2.304 TFLOPS
GeForce GT 645M
0.544 TFLOPS
Graphics Card
Jan 2014
Release Date
Oct 2012
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
850 MHz
Base Clock
-
900 MHz
Boost Clock
-
1200 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
28.80GB/s
Render Config
20
Compute Units
-
-
-
-
1280
Shading Units
384
80
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
28.80 GPixel/s
Pixel Rate
5.672 GPixel/s
72.00 GTexel/s
Texture Rate
22.69 GTexel/s
-
-
-
2.304 TFLOPS
FP32 (float)
544.5 GFLOPS
144.0 GFLOPS
FP64 (double)
22.69 GFLOPS
Board Design
100W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Neptune
GPU Name
GK107
Neptune XT
(216-0847000)
GPU Variant
N13P-GS
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.27 billion
212 mm²
Die Size
118 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1
