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
GPU
Xeon Phi 7120X
CORE STATE
Knights Corner
VRAM
16 GB
CLOCK SPEED
1333 MHz
TDP
300 W
BUS WIDTH
512 bit
ARCHITECTURE
Knights
PROCESS
22 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Phi 7120X
Core Specs
Shading Units
640
976
+52.5%
Shaders
640
976
+52.5%
TMUs
40
32
-20.0%
ROPs
16
0
-100.0%
Compute Units
10
—
Execution Units
—
61
Clocks
Base Clock
1082 MHz
1238 MHz
Boost Clock
1218 MHz
1333 MHz
Memory Clock
1500 MHz
6 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
512 bit
Bandwidth
48.00 GB/s
352.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
19.49 GPixel/s
0 MPixel/s
Texture Rate
48.72 GTexel/s
42.66 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
2.602 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
300 W
TDP (W)
50
300
+500.0%
Suggested PSU
—
700 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Knights
GPU Name
Polaris 23
Knights Corner
Generation
Polaris Mobile
(M600)
Knights Corner
(x100)
Process Size
14 nm
22 nm
Transistors
2,200 million
5,000 million
Die Size
103 mm²
720 mm²
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
6.9M / mm²
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
—
Vulkan
1.3
—
OpenCL
2.1
1.2
Shader Model
6.7
5.0
Physical
Slot Width
IGP
Dual-slot
Length
—
248 mm
9.8 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
4,129 USD
Production
End-of-life
End-of-life
Predecessor
Gem System
Knights Ferry
Successor
Navi Mobile
H3C Graphics