AMD Radeon HD 8770 OEM vs NVIDIA Tesla K20X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2013
Nov 2012
Generation
Sea Islands
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1300 MHz
Memory
Memory Size
1024MB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
96.00GB/s
249.6GB/s
Render Config
Compute Units
14
—
Shading Units
896
2688
TMUs
56
224
ROPs
16
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
40.99 GPixel/s
Texture Rate
58.80 GTexel/s
164.0 GTexel/s
FP32 (float)
1.882 TFLOPS
3.935 TFLOPS
FP64 (double)
117.6 GFLOPS
1312 GFLOPS
Graphics Processor
GPU Name
Bonaire
GK110
GPU Variant
Bonaire XT(215-0839039)
—
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
7.08 billion
Die Size
160 mm²
561 mm²
Board Design
TDP
85W
235W
Suggested PSU
250 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.1
Shader Model
6.3
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.