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 330 OEM
CORE STATE
G92B
VRAM
256 MB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Tesla
PROCESS
55 nm
LAUNCH DATE
2010
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GT 330 OEM
Core Specs
Shading Units
640
96
-85.0%
Shaders
640
96
-85.0%
TMUs
40
48
+20.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
12
Clocks
GPU Clock
1295 MHz
500 MHz
Shader Clock
—
1250 MHz
Memory Clock
1500 MHz
6 Gbps effective
510 MHz
1020 Mbps effective
Memory
Memory Size
4 GB
256 MB
VRAM (MB)
4,096
256
-93.8%
Memory Type
GDDR5
DDR2
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
16.32 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
32 KB
Performance
Pixel Rate
20.72 GPixel/s
8.000 GPixel/s
Texture Rate
51.80 GTexel/s
24.00 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
240.0 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
G92B
Generation
Polaris
(RX 600)
GeForce 300
Process Size
14 nm
55 nm
Transistors
2,200 million
754 million
Die Size
103 mm²
260 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
2.9M / 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
—
175 mm
6.9 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
1x DVI1x HDMI1x VGA
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 200
Successor
Vega
GeForce 400