AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GTX TITAN Z
GPU Specs Compare
Graphics Card
Release Date
Jun 2012
May 2014
Generation
Southern Islands
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
705 MHz
Boost Clock
1050 MHz
876 MHz
Memory Clock
1500 MHz
1750 MHz
Memory
Memory Size
3GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
288.0GB/s
336.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
2880
TMUs
128
240
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
33.60 GPixel/s
52.56 GPixel/s
Texture Rate
134.4 GTexel/s
210.2 GTexel/s
FP32 (float)
4.301 TFLOPS
5.046 TFLOPS
FP64 (double)
1075 GFLOPS
1.682 TFLOPS
Graphics Processor
GPU Name
Tahiti
GK110B
GPU Variant
Tahiti XT2(215-0821065)
GK110-350-B1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
352 mm²
561 mm²
Board Design
TDP
300W
375W
Suggested PSU
700 W
750 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.2.175
Shader Model
5.1
6.5 (5.1)
CUDA
-
3.5