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 NVS 320M
CORE STATE
G84
VRAM
512 MB
CLOCK SPEED
—
TDP
20 W
BUS WIDTH
128 bit
ARCHITECTURE
Tesla
PROCESS
80 nm
LAUNCH DATE
2007
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro NVS 320M
Core Specs
Shading Units
640
32
-95.0%
Shaders
640
32
-95.0%
TMUs
40
16
-60.0%
ROPs
16
8
-50.0%
Compute Units
10
—
SM Count
—
4
Clocks
GPU Clock
1295 MHz
575 MHz
Shader Clock
—
1150 MHz
Memory Clock
1500 MHz
6 Gbps effective
700 MHz
1400 Mbps effective
Memory
Memory Size
4 GB
512 MB
VRAM (MB)
4,096
512
-87.5%
Memory Type
GDDR5
GDDR3
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
22.40 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
32 KB
Performance
Pixel Rate
20.72 GPixel/s
4.600 GPixel/s
Texture Rate
51.80 GTexel/s
9.200 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
73.60 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
20 W
TDP (W)
50
20
-60.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G84
Generation
Polaris
(RX 600)
NVS Mobile
Process Size
14 nm
80 nm
Transistors
2,200 million
289 million
Die Size
103 mm²
169 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
1.7M / 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
MXM Module
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-HE
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—