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 9400M
CORE STATE
C79
VRAM
System Shared
CLOCK SPEED
—
TDP
12 W
BUS WIDTH
System Shared
ARCHITECTURE
Tesla
PROCESS
65 nm
LAUNCH DATE
2008
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
9400M
Core Specs
Shading Units
640
16
-97.5%
Shaders
640
16
-97.5%
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
SM Count
—
2
Clocks
GPU Clock
1295 MHz
450 MHz
Shader Clock
—
1100 MHz
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
96.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
1.800 GPixel/s
Texture Rate
51.80 GTexel/s
3.600 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
35.20 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
12 W
TDP (W)
50
12
-76.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
C79
Generation
Polaris
(RX 600)
GeForce 9M IGP
(9000M)
Process Size
14 nm
65 nm
Transistors
2,200 million
314 million
Die Size
103 mm²
144 mm²
Foundry
GlobalFoundries
—
Density
21.4M / mm²
2.2M / mm²
API Support
DirectX
12 (12_0)
11.1 (10_0)
OpenGL
4.6
3.3
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
4.0
Physical
Slot Width
Single-slot
IGP
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 8M IGP
Successor
Vega
—