AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 970M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Oct 2014
Generation
Southern Islands
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
1253 MHz
Base Clock
—
924 MHz
Boost Clock
—
1038 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
153.6GB/s
120.3GB/s
Render Config
Compute Units
20
—
Shading Units
1280
1280
TMUs
80
80
ROPs
32
48
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
49.82 GPixel/s
Texture Rate
80.00 GTexel/s
83.04 GTexel/s
FP32 (float)
2.560 TFLOPS
2.657 TFLOPS
FP64 (double)
160.0 GFLOPS
83.04 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GM204
GPU Variant
Pitcairn XT(215-0828047)
N16E-GT-A2
Architecture
GCN 1.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
5.2 billion
Die Size
212 mm²
398 mm²
Board Design
TDP
175W
Unknown
Suggested PSU
450 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.7 (6.4)
CUDA
—
5.2
▲ Specs Compare
Data sourced from official specifications and benchmark tests.