AMD Radeon RX 640 Mobile vs ATI FirePro V7900 SDI
GPU · Specs Compare
Graphics Card
Release Date
May 2019
May 2011
Generation
Mobility Radeon
FirePro
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
160.0GB/s
Render Config
Compute Units
10
20
Shading Units
640
1280
TMUs
40
80
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
23.20 GPixel/s
Texture Rate
48.72 GTexel/s
58.00 GTexel/s
FP16 (half)
1.559 TFLOPS
—
FP32 (float)
1.559 TFLOPS
1.856 TFLOPS
FP64 (double)
97.44 GFLOPS
464.0 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Cayman
GPU Variant
Polaris 23 XT
Cayman PRO GL
Architecture
GCN 4.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
2.2 billion
2.64 billion
Die Size
103 mm²
389 mm²
Board Design
TDP
50W
150W
Outputs
No outputs
4x SDI
Power Connectors
None
1x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.