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
GeForce GT 230
CORE STATE
G94B
VRAM
512 MB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Tesla
PROCESS
55 nm
LAUNCH DATE
2009
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GT 230
Core Specs
Shading Units
640
48
-92.5%
Shaders
640
48
-92.5%
TMUs
40
24
-40.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
6
Clocks
GPU Clock
1295 MHz
650 MHz
Shader Clock
—
1625 MHz
Memory Clock
1500 MHz
6 Gbps effective
900 MHz
1800 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
57.60 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
64 KB
Performance
Pixel Rate
20.72 GPixel/s
10.40 GPixel/s
Texture Rate
51.80 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
156.0 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
75 W
TDP (W)
50
75
+50.0%
Suggested PSU
250 W
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G94B
Generation
Polaris
(RX 600)
GeForce 200
Process Size
14 nm
55 nm
Transistors
2,200 million
505 million
Die Size
103 mm²
196 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
2.6M / 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
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 9
Successor
Vega
GeForce 400