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
Quadro4 900 XGL
CORE STATE
NV25
VRAM
128 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Kelvin
PROCESS
150 nm
LAUNCH DATE
2002
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro4 900 XGL
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
8
-80.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
300 MHz
Memory Clock
1500 MHz
6 Gbps effective
325 MHz
650 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
10.40 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
2.400 GPixel/s
Texture Rate
51.80 GTexel/s
2.400 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
Kelvin
GPU Name
Polaris 23
NV25
Generation
Polaris
(RX 600)
Quadro4 Celcius
(x00)
Process Size
14 nm
150 nm
Transistors
2,200 million
63 million
Die Size
103 mm²
142 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
443.7K / mm²
API Support
DirectX
12 (12_0)
8.1
OpenGL
4.6
1.5
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
2x DVI1x S-Video
Bus Interface
PCIe 3.0 x8
AGP 4x
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro2 Celcius
Successor
Vega
Quadro FX Rankine