GPU Comparison
RADEON
AMD Radeon RX 640 OEM
CORE STATE
Polaris 23
VRAM
4 GB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2020
VS
GEFORCE
GeForce GTX 470M
CORE STATE
GF104
VRAM
1536 MB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GTX 470M
Core Specs
Shading Units
640
288
-55.0%
Shaders
640
288
-55.0%
TMUs
40
48
+20.0%
ROPs
16
24
+50.0%
Compute Units
10
—
SM Count
—
6
Clocks
GPU Clock
1295 MHz
535 MHz
Shader Clock
—
1070 MHz
Memory Clock
1500 MHz
6 Gbps effective
750 MHz
3 Gbps effective
Memory
Memory Size
4 GB
1536 MB
VRAM (MB)
4,096
1,536
-62.5%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
72.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
384 KB
Performance
Pixel Rate
20.72 GPixel/s
6.420 GPixel/s
Texture Rate
51.80 GTexel/s
25.68 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
616.3 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
51.36 GFLOPS (1:12)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
75 W
TDP (W)
50
75
+50.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Fermi
GPU Name
Polaris 23
GF104
Generation
Polaris
(RX 600)
GeForce 400M
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
Single-slot
MXM Module
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 300M
Successor
Vega
GeForce 500M