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
Quadro FX 4400G
CORE STATE
NV45
VRAM
512 MB
CLOCK SPEED
—
TDP
83 W
BUS WIDTH
256 bit
ARCHITECTURE
Curie
PROCESS
130 nm
LAUNCH DATE
2005
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro FX 4400G
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
16
-60.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
375 MHz
Memory Clock
1500 MHz
6 Gbps effective
525 MHz
1050 Mbps effective
Memory
Memory Size
4 GB
512 MB
VRAM (MB)
4,096
512
-87.5%
Memory Type
GDDR5
GDDR3
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
33.60 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
6.000 GPixel/s
Texture Rate
51.80 GTexel/s
6.000 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
83 W
TDP (W)
50
83
+66.0%
Suggested PSU
250 W
250 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
Curie
GPU Name
Polaris 23
NV45
Generation
Polaris
(RX 600)
Quadro FX Curie
(x400)
Process Size
14 nm
130 nm
Transistors
2,200 million
222 million
Die Size
103 mm²
287 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
773.5K / mm²
API Support
DirectX
12 (12_0)
9.0c (9_3)
OpenGL
4.6
2.0 (full)
2.1 (partial)
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
3.0
Physical
Slot Width
Single-slot
Dual-slot
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
2x DVI1x S-Video
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x16
Other
Launch Price
—
2,999 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro FX Rankine
Successor
Vega
Quadro FX Tesla