AMD Radeon HD 7540D vs AMD Radeon HD 7970 GHz Full Specs

Summary

192 Shaders 760MHz	2,048 Shaders 1.05GHz
Shared Memory29.9GB/sDDR3	3GB GDDR5288GB/s placeholder
Peak·FP32·FP16 291.8 GFLOPS	Peak·FP32·FP16 4.3 TFLOPS
Form Factor iGPU	Form Factor PCIe Card
TDP Shared	TDP 250W
Power Connectors -	Power Connectors 1x 8-Pin 1x 6-Pin

Theoretical Performance

Clock Speed760MHz UC·Boost·OC	Clock Speed1050MHz UC·Base·Boost·OC
Peak OPS 291.8 GFLOPSFP32	Peak OPS 4.3 TFLOPSFP32
FP32 291.8 GFLOPS	FP32 4.3 TFLOPS
-	FP64 1.07 TFLOPS
Pixel Rate 3 GPixel/s	Pixel Rate 33.6 GPixel/s
Texture Rate 9.1 GTexel/s	Texture Rate 134.4 GTexel/s

Core Config

Shaders 192 Shaders	Shaders 2,048 Shaders
TMUs 12 TMUs	TMUs 128 TMUs
ROPs 4 ROPs	ROPs 32 ROPs
CUs 3 CUs	CUs 32 CUs

Clocks

Base Clock -	Base Clock 1GHz
Boost Clock 760MHz	Boost Clock 1.05GHz

Cache

L2 Cache 256KB shared

L2 Cache 768KB shared

Memory

Shared MemoryDDR3	3GB GDDR5 placeholder
Memory Bus 128-bit	Memory Bus 384-bit
Memory Speed 1.9GT/s	Memory Speed 6GT/s
Memory Bandwidth 29.9GB/s	Memory Bandwidth 288GB/s
ECC No	ECC No

Power & Thermals

TDP Shared

TDP 250W

Video Output

Multi-Monitor 2

Multi-Monitor 3

Ports

-	2x Mini DisplayPort 1.2 1x HDMI 1.4 1x DVI-I Dual-Link

Encoder

-	Encoder Model VCE 1.0
Codec -	Codec AVC (H.264)

Decoder

Decoder Model UVD 3.1	Decoder Model UVD 3.2
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor iGPU	Form Factor PCIe Card
PCIe -	PCIe 2-Slots
-	Height 111 mm (4.37") Width 275 mm (10.83") Depth 38 mm (1.5")
Cooling Passive -	Cooling Blower 1x Fan
Power Connectors -	Power Connectors 1x 8-Pin, 1x 6-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture TeraScale 3	Architecture GCN 1
Family Radeon HD 7000	Family Radeon HD 7000
Branding	Branding
Codename Scrapper	Codename Tahiti
Chip Variant -	Chip Variant Tahiti LE
Market Segment Desktop	Market Segment Desktop
Release Date Jun 1, 2012	Release Date Jun 22, 2012

Fabrication

Foundry GlobalFoundries	Foundry TSMC
Fabrication Node 32nm	Fabrication Node 28nm
Die Size 246mm²	Die Size 352mm²
Transistor Count 1.3 Billion	Transistor Count 4.3 Billion
Transistor Density 5 MTr/mm²	Transistor Density 12.25 MTr/mm²

Images