AMD Radeon HD 7970 vs NVIDIA Tesla M40 24 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Nov 2015
Generation
Southern Islands
Tesla Maxwell
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1502 MHz
Base Clock
-
948 MHz
Boost Clock
-
1112 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
264.0GB/s
288.4GB/s
Render Config
Compute Units
32
-
Shading Units
2048
3072
TMUs
128
192
ROPs
32
96
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
3 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
106.8 GPixel/s
Texture Rate
118.4 GTexel/s
213.5 GTexel/s
FP32 (float)
3.789 TFLOPS
6.832 TFLOPS
FP64 (double)
947.2 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
Tahiti
GM200
GPU Variant
Tahiti XT(215-0821060)
GM200-895-A1
Architecture
GCN 1.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
8 billion
Die Size
352 mm²
601 mm²
Board Design
TDP
250W
250W
Suggested PSU
600 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.7
CUDA
-
5.2
📊 Benchmark
3DMark Time Spy
2,310
5,066
3DMark Time Spy Extreme
1,209
2,425