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
GeForce4 440 Go
CORE STATE
NV17
VRAM
64 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Celsius
PROCESS
150 nm
LAUNCH DATE
2002
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GeForce4 440 Go
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
220 MHz
Memory Clock
1500 MHz
6 Gbps effective
220 MHz
440 Mbps effective
Memory
Memory Size
4 GB
64 MB
VRAM (MB)
4,096
64
-98.4%
Memory Type
GDDR5
DDR
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
7.040 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
440.0 MPixel/s
Texture Rate
51.80 GTexel/s
880.0 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
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Celsius
GPU Name
Polaris 23
NV17
Generation
Polaris
(RX 600)
GeForce4 Go
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
—
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
AGP 4x
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce2 Go
Successor
Vega
GeForce FX Go 5