AMD Radeon R7 265X OEM vs NVIDIA Tesla K8
GPU Specs Compare
Graphics Card
Release Date
Aug 2014
Sep 2014
Generation
Volcanic Islands
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
693 MHz
Boost Clock
925 MHz
811 MHz
Memory Clock
1400 MHz
1250 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
179.2GB/s
160.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
1536
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
25.95 GPixel/s
Texture Rate
74.00 GTexel/s
103.8 GTexel/s
FP32 (float)
2.368 TFLOPS
2.491 TFLOPS
FP64 (double)
148.0 GFLOPS
103.8 GFLOPS
Graphics Processor
GPU Name
Curacao
GK104
GPU Variant
Curacao PRO(215-0848000)
-
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
3.54 billion
Die Size
212 mm²
294 mm²
Board Design
TDP
150W
100W
Suggested PSU
450 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
-
3.0