AMD Radeon 660M vs ATI FirePro V7900 SDI
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
May 2011
Generation
Rembrandt
FirePro
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
1500 MHz
—
Boost Clock
1900 MHz
—
Memory Clock
System Shared
1250 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
160.0GB/s
Render Config
Compute Units
6
20
Shading Units
384
1280
TMUs
24
80
ROPs
16
32
RT Cores
6
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
23.20 GPixel/s
Texture Rate
45.60 GTexel/s
58.00 GTexel/s
FP16 (half)
2.918 TFLOPS
—
FP32 (float)
1459 GFLOPS
1.856 TFLOPS
FP64 (double)
91.20 GFLOPS
464.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Cayman
Architecture
RDNA 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
6 nm
40 nm
Transistors
13.1 billion
2.64 billion
Die Size
210 mm²
389 mm²
GPU Variant
—
Cayman PRO GL
Board Design
TDP
15W
150W
Outputs
No outputs
4x SDI
Power Connectors
None
1x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2
N/A
Shader Model
6.5
5.0
Benchmark
3DMark Time Spy
1,537
—
3DMark Time Spy Extreme
701
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.