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 380 XGL
CORE STATE
NV18
VRAM
128 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Celsius
PROCESS
150 nm
LAUNCH DATE
2002
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro4 380 XGL
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
275 MHz
Memory Clock
1500 MHz
6 Gbps effective
256 MHz
512 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
8.192 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
1.100 GPixel/s
Texture Rate
51.80 GTexel/s
1.100 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
Celsius
GPU Name
Polaris 23
NV18
Generation
Polaris
(RX 600)
Quadro4 Celcius
(x80)
Process Size
14 nm
150 nm
Transistors
2,200 million
29 million
Die Size
103 mm²
65 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
446.2K / mm²
API Support
DirectX
12 (12_0)
7.0
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
1x DVI1x VGA1x S-Video
Bus Interface
PCIe 3.0 x8
AGP 8x
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro2 Celcius
Successor
Vega
Quadro FX Rankine