ATI Radeon HD 2900 XT vs NVIDIA GeForce GT 740A

Table of Contents

Graphics Processor

GPU model R600 GK208
GPU variant R600 XT (215RGMDKA13FG) GT 740M
Architecture TeraScale Kepler 2.0
Foundry TSMC TSMC
Manufacturing process 80 nm 28 nm
Number of transistors 720 million 1,020 million
Die size 420 mm² 87 mm²

Graphics Card

Release date May 14th, 2007
Generation Radeon R600
Production End-of-life
Launch price 399 USD
Interface PCIe 1.0 x16
Reviews 63 in our database
Predecessor Radeon R500 PCIe
Successor Radeon R700

Clocks

GPU clock 743 MHz 980 MHz
Memory clock 828 MHz 1656 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 512 MB 2 GB
Memory type GDDR3 DDR3
Memory bus width 512 bit 64 bit
Bandwidth 106.0 GB/s 14.40 GB/s

Render Configuration

Shading units 320 384
TMUs 16 32
ROPs 16 8
Compute units 4
Cache L2 256 KB 512 KB
SMX count 2
Cache L1 16 KB (per SMX)

Performance

Pixel rate 11.89 GPixel/s 7.840 GPixel/s
Texture rate 11.89 GTexel/s 31.36 GTexel/s
FP32 (float) performance 475.5 GFLOPS 752.6 GFLOPS
FP64 (double) performance 31.36 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 241 mm 9.5 inches
TDP 215 W 33 W
Suggested PSU 550 W
Outputs 2x DVI1x S-Video No outputs
Power connectors 1x 6-pin + 1x 8-pin
Board number B006-01

API Support & Features

DirectX 10.0 (10_0) 12 (11_0)
OpenGL 3.3 (full) 4.0 (partial) 4.6
OpenCL 3.0
Vulkan 1.1
Shader model 4.0 5.1
CUDA 3.5

Other Features

Mobile graphics

Release date Aug 26th, 2013
Generation GeForce 700A
Production End-of-life
Interface PCIe 3.0 x8
Predecessor GeForce 600A
Successor GeForce 800A

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