AMD Radeon HD 6970 vs NVIDIA Quadro K4200
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Jul 2014
Generation
Northern Islands
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1375 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
176.0GB/s
172.8GB/s
Render Config
Compute Units
24
—
Shading Units
1536
1344
TMUs
96
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
21.95 GPixel/s
Texture Rate
84.48 GTexel/s
87.81 GTexel/s
FP32 (float)
2.703 TFLOPS
2.107 TFLOPS
FP64 (double)
675.8 GFLOPS
87.81 GFLOPS
Graphics Processor
GPU Name
Cayman
GK104
GPU Variant
Cayman XT(215-0807007)
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
250W
108W
Suggested PSU
600 W
300 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI2x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-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.