ATI FirePro V7900 vs NVIDIA Quadro K4200
GPU · Specs Compare
Graphics Card
Release Date
May 2011
Jul 2014
Generation
FirePro
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1250 MHz
1350 MHz
Base Clock
—
771 MHz
Boost Clock
—
784 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
172.8GB/s
Render Config
Compute Units
20
—
Shading Units
1280
1344
TMUs
80
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
21.95 GPixel/s
Texture Rate
58.00 GTexel/s
87.81 GTexel/s
FP32 (float)
1.856 TFLOPS
2.107 TFLOPS
FP64 (double)
464.0 GFLOPS
87.81 GFLOPS
Graphics Processor
GPU Name
Cayman
GK104
GPU Variant
Cayman PRO GL
GK104-850-A2
Architecture
TeraScale 3
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
3.54 billion
Die Size
389 mm²
294 mm²
Board Design
TDP
150W
108W
Suggested PSU
450 W
300 W
Outputs
4x DisplayPort 1.2
1x DVI2x DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.1
Shader Model
5.0
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
—
1,465
3DMark Time Spy Extreme
—
702
▲ Specs Compare
Data sourced from official specifications and benchmark tests.