AMD Radeon R5 M255 vs NVIDIA GeForce 9800 GTX

Table of Contents

Graphics Processor

GPU model Topaz G92
GPU variant Topaz PRO (216-0864032) G92-420-A2
Architecture GCN 3.0 Tesla
Foundry TSMC TSMC
Manufacturing process 28 nm 65 nm
Number of transistors 1,550 million 754 million
Die size 125 mm² 324 mm²

Mobile graphics

Release date Oct 12th, 2014
Generation Crystal System (R5 M200)
Production End-of-life
Interface PCIe 3.0 x8
Predecessor Solar System
Successor Mobility Radeon

Clocks

Base clock 925 MHz
Boost clock 940 MHz
Memory clock 1000 MHz 4 Gbps effective 1100 MHz 2.2 Gbps effective
GPU clock 675 MHz
Shader clock 1688 MHz

Memory Configuration

Memory size 1024 MB 512 MB
Memory type GDDR5 GDDR3
Memory bus width 128 bit 256 bit
Bandwidth 64.00 GB/s 70.40 GB/s

Render Configuration

Shading units 384 128
TMUs 24 64
ROPs 8 16
Compute units 6
Cache L1 16 KB (per CU)
Cache L2 256 KB 64 KB
SM count 16

Performance

Pixel rate 7.520 GPixel/s 10.80 GPixel/s
Texture rate 22.56 GTexel/s 43.20 GTexel/s
FP16 (half) performance 721.9 GFLOPS (1:1)
FP32 (float) performance 721.9 GFLOPS 432.1 GFLOPS
FP64 (double) performance 45.12 GFLOPS (1:16)

Dimensions & Outputs

TDP unknown 140 W
Outputs No outputs 2x DVI1x S-Video
Slot width Dual-slot
Length 267 mm 10.5 inches
Width 111 mm 4.4 inches
Height 38 mm 1.5 inches
Suggested PSU 300 W
Power connectors 2x 6-pin
Board number P392

API Support & Features

DirectX 12 (12_0) 11.1 (10_0)
OpenGL 4.6 3.3
OpenCL 2.0 1.1
Vulkan 1.2
Shader model 6.3 4.0
CUDA 1.1

Other Features

Graphics Card

Release date Mar 28th, 2008
Generation GeForce 9
Production End-of-life
Launch price 299 USD
Interface PCIe 2.0 x16
Reviews 84 in our database
Predecessor GeForce 8
Successor GeForce 200

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