GPU Comparison
RADEON
AMD Radeon RX 640 Mobile
CORE STATE
Polaris 23
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce GTX 675M
CORE STATE
GF114
VRAM
2 GB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2012
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GTX 675M
Core Specs
Shading Units
640
384
-40.0%
Shaders
640
384
-40.0%
TMUs
40
64
+60.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
8
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
620 MHz
Shader Clock
—
1240 MHz
Memory Clock
1500 MHz
6 Gbps effective
750 MHz
3 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
9.920 GPixel/s
Texture Rate
48.72 GTexel/s
39.68 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
952.3 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
79.36 GFLOPS (1:12)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
100 W
TDP (W)
50
100
+100.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Fermi 2.0
GPU Name
Polaris 23
GF114
Generation
Polaris Mobile
(M600)
GeForce 600M
Process Size
14 nm
40 nm
Transistors
2,200 million
1,950 million
Die Size
103 mm²
332 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
5.9M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
2.1
Shader Model
6.7
5.1
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 500M
Successor
Navi Mobile
GeForce 700M