NVIDIA Tesla K8 vs AMD Radeon HD 6850
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Oct 2010
Generation
Tesla
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
693 MHz
—
Boost Clock
811 MHz
—
Memory Clock
1250 MHz
1000 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
128.0GB/s
Render Config
Shading Units
1536
960
TMUs
128
48
ROPs
32
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
25.95 GPixel/s
24.80 GPixel/s
Texture Rate
103.8 GTexel/s
37.20 GTexel/s
FP32 (float)
2.491 TFLOPS
1488 GFLOPS
FP64 (double)
103.8 GFLOPS
—
Graphics Processor
GPU Name
GK104
Barts
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
3.54 billion
1.7 billion
Die Size
294 mm²
255 mm²
GPU Variant
—
Barts PRO(215-0798006)
Board Design
TDP
100W
127W
Suggested PSU
300 W
300 W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.0
—
Shader Model
5.1
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.