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
P104-100
CORE STATE
GP104
VRAM
4 GB
CLOCK SPEED
1733 MHz
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
P104-100
Core Specs
Shading Units
640
1,920
+200.0%
Shaders
640
1,920
+200.0%
TMUs
40
120
+200.0%
ROPs
16
64
+300.0%
Compute Units
10
—
SM Count
—
15
Clocks
Base Clock
1082 MHz
1607 MHz
Boost Clock
1218 MHz
1733 MHz
Memory Clock
1500 MHz
6 Gbps effective
1251 MHz
10 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
320.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
19.49 GPixel/s
110.9 GPixel/s
Texture Rate
48.72 GTexel/s
208.0 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
6.655 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
208.0 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
104.0 GFLOPS (1:64)
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
—
200 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 4.0
Pascal
GPU Name
Polaris 23
GP104
Generation
Polaris Mobile
(M600)
Mining GPUs
Process Size
14 nm
16 nm
Transistors
2,200 million
7,200 million
Die Size
103 mm²
314 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
22.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—