AMD Radeon HD 7970 vs NVIDIA GeForce GTX 980 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Sep 2015
Generation
Southern Islands
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1375 MHz
1753 MHz
Base Clock
-
1064 MHz
Boost Clock
-
1140 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
264.0GB/s
224.4GB/s
Render Config
Compute Units
32
-
Shading Units
2048
2048
TMUs
128
128
ROPs
32
64
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
2 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
72.96 GPixel/s
Texture Rate
118.4 GTexel/s
145.9 GTexel/s
FP32 (float)
3.789 TFLOPS
4.669 TFLOPS
FP64 (double)
947.2 GFLOPS
145.9 GFLOPS
Graphics Processor
GPU Name
Tahiti
GM204
GPU Variant
Tahiti XT(215-0821060)
N16E-GXX-A1
Architecture
GCN 1.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
5.2 billion
Die Size
352 mm²
398 mm²
Board Design
TDP
250W
Unknown
Suggested PSU
600 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
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 (6.4)
CUDA
-
5.2
📊 Benchmark
3DMark Time Spy
2,310
-
3DMark Time Spy Extreme
1,209
-