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 1800
CORE STATE
G94
VRAM
768 MB
CLOCK SPEED
—
TDP
59 W
BUS WIDTH
192 bit
ARCHITECTURE
Tesla
PROCESS
65 nm
LAUNCH DATE
2009
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro FX 1800
Core Specs
Shading Units
640
64
-90.0%
Shaders
640
64
-90.0%
TMUs
40
32
-20.0%
ROPs
16
12
-25.0%
Compute Units
10
—
SM Count
—
8
Clocks
GPU Clock
1295 MHz
550 MHz
Shader Clock
—
1375 MHz
Memory Clock
1500 MHz
6 Gbps effective
800 MHz
1600 Mbps effective
Memory
Memory Size
4 GB
768 MB
VRAM (MB)
4,096
768
-81.3%
Memory Type
GDDR5
GDDR3
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
38.40 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
48 KB
Performance
Pixel Rate
20.72 GPixel/s
6.600 GPixel/s
Texture Rate
51.80 GTexel/s
17.60 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
176.0 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
59 W
TDP (W)
50
59
+18.0%
Suggested PSU
250 W
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G94
Generation
Polaris
(RX 600)
Quadro FX Tesla
(x800)
Process Size
14 nm
65 nm
Transistors
2,200 million
505 million
Die Size
103 mm²
240 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
2.1M / mm²
API Support
DirectX
12 (12_0)
11.1 (10_0)
OpenGL
4.6
3.3
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
1.1
Shader Model
6.7
4.0
Physical
Slot Width
Single-slot
Single-slot
Length
—
198 mm
7.8 inches
Height
—
111 mm
4.4 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
1x DVI2x DisplayPort
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
489 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro FX Curie
Successor
Vega
Quadro Fermi