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
GeForce2 MX PCI
CORE STATE
NV11
VRAM
32 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
Celsius
PROCESS
180 nm
LAUNCH DATE
2000
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GeForce2 MX PCI
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
4
-90.0%
ROPs
16
2
-87.5%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
175 MHz
Memory Clock
1500 MHz
6 Gbps effective
166 MHz
Memory
Memory Size
4 GB
32 MB
VRAM (MB)
4,096
32
-99.2%
Memory Type
GDDR5
SDR
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
1.328 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
350.0 MPixel/s
Texture Rate
51.80 GTexel/s
700.0 MTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
—
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
250 W
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Celsius
GPU Name
Polaris 23
NV11
Generation
Polaris
(RX 600)
GeForce 2 MX PCI
Process Size
14 nm
180 nm
Transistors
2,200 million
20 million
Die Size
103 mm²
64 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
312.5K / mm²
API Support
DirectX
12 (12_0)
7.0
OpenGL
4.6
1.2
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
—
Physical
Slot Width
Single-slot
Single-slot
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
1x VGA
Bus Interface
PCIe 3.0 x8
PCI
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 256
Successor
Vega
GeForce 2