Product Compare

NVIDIA Tesla K40c vs AMD Radeon HD 6970 X2

GPU GPU
Graphics Card
Release Date Oct 2013 Unknown
Generation Tesla Northern Islands
Type Professional Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 745 MHz
Boost Clock 876 MHz
Memory Clock 1502 MHz 1375 MHz
Memory
Memory Size 12GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 288.4GB/s 176.0GB/s
Render Config
Shading Units 2880 1536
TMUs 240 96
ROPs 48 32
L1 Cache 16 KB (per SMX) 8 KB (per CU)
L2 Cache 1536 KB 512 KB
Compute Units 24
Theoretical Performance
Pixel Rate 52.56 GPixel/s 28.16 GPixel/s
Texture Rate 210.2 GTexel/s 84.48 GTexel/s
FP32 (float) 5.046 TFLOPS 2.703 TFLOPS
FP64 (double) 1.682 TFLOPS
Graphics Processor
GPU Name GK180 Antilles
GPU Variant GK180-890-A1 Antilles XT(215-0807027)
Architecture Kepler TeraScale 3
Foundry TSMC TSMC
Process Size 28 nm 40 nm
Transistors 7.08 billion 2.64 billion
Die Size 561 mm² 389 mm²
Board Design
TDP 245W 375W
Suggested PSU 550 W 750 W
Outputs No outputs 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 3x 8-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 3.5
Shader Model 5.1 5.0