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 PCX 5300
CORE STATE
NV37
VRAM
128 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Rankine
PROCESS
150 nm
LAUNCH DATE
2004
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
PCX 5300
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
4
-90.0%
ROPs
16
4
-75.0%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
250 MHz
Memory Clock
1500 MHz
6 Gbps effective
200 MHz
400 Mbps effective
Memory
Memory Size
4 GB
128 MB
VRAM (MB)
4,096
128
-96.9%
Memory Type
GDDR5
DDR
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
6.400 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
1.000 GPixel/s
Texture Rate
51.80 GTexel/s
1.000 GTexel/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
Rankine
GPU Name
Polaris 23
NV37
Generation
Polaris
(RX 600)
GeForce PCX
Process Size
14 nm
150 nm
Transistors
2,200 million
45 million
Die Size
103 mm²
91 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
494.5K / mm²
API Support
DirectX
12 (12_0)
9.0a
OpenGL
4.6
1.5 (full)
2.0 (partial)
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 DVI1x VGA1x S-Video
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 4 Ti
Successor
Vega
GeForce 6 PCIe