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 480M
CORE STATE
GF100
VRAM
2 GB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GTX 480M
Core Specs
Shading Units
640
352
-45.0%
Shaders
640
352
-45.0%
TMUs
40
44
+10.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
11
Clocks
GPU Clock
1295 MHz
425 MHz
Shader Clock
—
850 MHz
Memory Clock
1500 MHz
6 Gbps effective
600 MHz
2.4 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
76.80 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
20.72 GPixel/s
9.350 GPixel/s
Texture Rate
51.80 GTexel/s
18.70 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
598.4 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
74.80 GFLOPS (1:8)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
100 W
TDP (W)
50
100
+100.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Fermi
GPU Name
Polaris 23
GF100
Generation
Polaris
(RX 600)
GeForce 400M
Process Size
14 nm
40 nm
Transistors
2,200 million
3,100 million
Die Size
103 mm²
529 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
—
2.0
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