GPU Comparison
RADEON
AMD Radeon RX 640 Mobile
CORE STATE
Polaris 23
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce FX 5900 ZT
CORE STATE
NV35
VRAM
128 MB
CLOCK SPEED
—
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Rankine
PROCESS
130 nm
LAUNCH DATE
2003
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
FX 5900 ZT
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
325 MHz
Memory Clock
1500 MHz
6 Gbps effective
350 MHz
700 Mbps effective
Memory
Memory Size
2 GB
128 MB
VRAM (MB)
2,048
128
-93.8%
Memory Type
GDDR5
DDR
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
22.40 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
1.300 GPixel/s
Texture Rate
48.72 GTexel/s
2.600 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
—
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
—
200 W
Power Connectors
None
1x Molex
Architecture
Architecture
GCN 4.0
Rankine
GPU Name
Polaris 23
NV35
Generation
Polaris Mobile
(M600)
GeForce FX
(5900)
Process Size
14 nm
130 nm
Transistors
2,200 million
135 million
Die Size
103 mm²
207 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
652.2K / mm²
API Support
DirectX
12 (12_0)
9.0a
OpenGL
4.6
1.5 (full)
2.0 (partial)
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
—
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
1x DVI1x VGA1x S-Video
Bus Interface
PCIe 3.0 x8
AGP 8x
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 4 Ti
Successor
Navi Mobile
GeForce 6 AGP