NVIDIA Tesla K8 vs AMD Radeon R7 260
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Dec 2013
Generation
Tesla
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
693 MHz
-
Boost Clock
811 MHz
-
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
96.00GB/s
Render Config
Shading Units
1536
768
TMUs
128
48
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
25.95 GPixel/s
16.00 GPixel/s
Texture Rate
103.8 GTexel/s
48.00 GTexel/s
FP32 (float)
2.491 TFLOPS
1.536 TFLOPS
FP64 (double)
103.8 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
GK104
Bonaire
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.08 billion
Die Size
294 mm²
160 mm²
GPU Variant
-
Bonaire PRO
Board Design
TDP
100W
95W
Suggested PSU
300 W
250 W
Outputs
No outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.3