AMD Radeon HD 7970M vs NVIDIA Quadro P620 Mobile

Table of Contents

Graphics Processor

GPU model Wimbledon GP107
GPU variant Wimbledon XT (216-0836036)
Architecture GCN 1.0 Pascal
Foundry TSMC Samsung
Manufacturing process 28 nm 14 nm
Number of transistors 2,800 million 3,300 million
Die size 212 mm² 132 mm²

Mobile graphics

Release date Apr 24th, 2012 Feb 1st, 2018
Generation London (HD 7900M) Quadro Mobile (Px200)
Production End-of-life End-of-life
Interface MXM-B (3.0) PCIe 3.0 x16
Predecessor Vancouver
Successor Solar System

Clocks

GPU clock 850 MHz
Memory clock 1200 MHz 4.8 Gbps effective 1502 MHz 6 Gbps effective
Base clock 1177 MHz
Boost clock 1443 MHz

Memory Configuration

Memory size 2 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 128 bit
Bandwidth 153.6 GB/s 96.13 GB/s

Render Configuration

Shading units 1280 512
TMUs 80 32
ROPs 32 16
Compute units 20
Cache L1 16 KB (per CU) 48 KB (per SM)
Cache L2 512 KB 1024 KB
SM count 4

Performance

Pixel rate 27.20 GPixel/s 23.09 GPixel/s
Texture rate 68.00 GTexel/s 46.18 GTexel/s
FP32 (float) performance 2.176 TFLOPS 1,478 GFLOPS
FP64 (double) performance 136.0 GFLOPS (1:16) 46.18 GFLOPS (1:32)
FP16 (half) performance 23.09 GFLOPS (1:64)

Dimensions & Outputs

Slot width MXM Module IGP
TDP 100 W 40 W
Outputs No outputs No outputs
Power connectors None None
Board number C429

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.2
Shader model 5.1 6.4
CUDA 6.1

Other Features

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