ATI FirePro V7900 SDI vs AMD Radeon R9 M395X Mac Edition
GPU Specs Compare
Graphics Card
Release Date
May 2011
May 2015
Generation
FirePro
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
1365 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
174.7GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
29.09 GPixel/s
Texture Rate
58.00 GTexel/s
116.4 GTexel/s
FP32 (float)
1.856 TFLOPS
3.723 TFLOPS
FP64 (double)
464.0 GFLOPS
232.7 GFLOPS
FP16 (half)
-
3.723 TFLOPS
Graphics Processor
GPU Name
Cayman
Amethyst
GPU Variant
Cayman PRO GL
Amethyst XT
Architecture
TeraScale 3
GCN 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
5 billion
Die Size
389 mm²
366 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
-
Outputs
4x SDI
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.3