AMD Radeon HD 7730 vs NVIDIA GeForce GT 640

Table of Contents

Graphics Processor

GPU model Cape Verde GK107
GPU variant Cape Verde LE GK107-300-A2
Architecture GCN 1.0 Kepler
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,500 million 1,270 million
Die size 123 mm² 118 mm²

Graphics Card

Release date May 1st, 2013 Jun 5th, 2012
Generation Southern Islands GeForce 600
Production End-of-life End-of-life
Launch price 59 USD 99 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 11 in our database
Predecessor Northern Islands GeForce 500
Successor Sea Islands GeForce 700

Clocks

GPU clock 800 MHz 902 MHz
Memory clock 1125 MHz 4.5 Gbps effective 891 MHz 1782 Mbps effective

Memory Configuration

Memory size 1024 MB 2 GB
Memory type GDDR5 DDR3
Memory bus width 128 bit 128 bit
Bandwidth 72.00 GB/s 28.51 GB/s

Render Configuration

Shading units 384 384
TMUs 24 32
ROPs 8 16
Compute units 6
Cache L1 16 KB (per CU) 16 KB (per SMX)
Cache L2 256 KB 256 KB
SMX count 2

Performance

Pixel rate 6.400 GPixel/s 7.216 GPixel/s
Texture rate 19.20 GTexel/s 28.86 GTexel/s
FP32 (float) performance 614.4 GFLOPS 692.7 GFLOPS
FP64 (double) performance 38.40 GFLOPS (1:16) 28.86 GFLOPS (1:24)

Dimensions & Outputs

Slot width Single-slot Single-slot
Length 168 mm 6.6 inches 145 mm 5.7 inches
TDP 47 W 65 W
Suggested PSU 200 W 250 W
Outputs 1x DVI1x HDMI1x DisplayPort 1x DVI1x HDMI1x DisplayPort
Power connectors None None
Board number C445 P2011

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.1
Shader model 5.1 5.1
CUDA 3.0

Other Features

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