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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon HD 7750

33%
33%

AMD Radeon HD 7970

342%
342%
AMD Radeon HD 7970 is approximately 309% faster

Technical Specifications

SpecificationAMD Radeon HD 7750AMD Radeon HD 7970
Graphics ProcessorDifferent
Cape Verde
Tahiti
CoresDifferent
512
2048
TMUsDifferent
32
128
ROPsDifferent
16
32
Memory SizeDifferent
1024 MB
3 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
128 bit
384 bit

Graphics Processor

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
GPU NameDifferent
Cape Verde
Tahiti
GPU VariantDifferent
Cape Verde PRO(215-0825156)
Tahiti XT(215-0821060)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
1,500 million
4,313 million
DensityDifferent
12.2M / mm²
12.3M / mm²
Die SizeDifferent
123 mm²
352 mm²
Chip PackageDifferent
FCBGA-962
N/A

Graphics Card

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
Release DateDifferent
Feb 15th, 2012
Jan 9th, 2012
GenerationDifferent
Southern Islands(HD 7700)
Southern Islands(HD 7900)
Predecessor
Northern Islands
Northern Islands
Successor
Sea Islands
Sea Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
109 USD
549 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
61 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
GPU ClockDifferent
800 MHz
925 MHz
Memory ClockDifferent
1125 MHz4.5 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
Memory SizeDifferent
1024 MB
3 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
128 bit
384 bit
BandwidthDifferent
72.00 GB/s
264.0 GB/s

Render Config

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
Shading UnitsDifferent
512
2048
TMUsDifferent
32
128
ROPsDifferent
16
32
Compute UnitsDifferent
8
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
256 KB
768 KB

Theoretical Performance

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
Pixel RateDifferent
12.80 GPixel/s
29.60 GPixel/s
Texture RateDifferent
25.60 GTexel/s
118.4 GTexel/s
FP32 (float)Different
819.2 GFLOPS
3.789 TFLOPS
FP64 (double)Different
51.20 GFLOPS (1:16)
947.2 GFLOPS (1:4)

Board Design

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
Slot WidthDifferent
Single-slot
Dual-slot
LengthDifferent
168 mm6.6 inches
275 mm10.8 inches
TDPDifferent
55 W
250 W
Suggested PSUDifferent
250 W
600 W
OutputsDifferent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
None
1x 6-pin + 1x 8-pin
Board NumberDifferent
C441, 109-C44537-00B
109-C38637-00
HeightDifferent
N/A
111 mm4.4 inches
WidthDifferent
N/A
38 mm1.5 inches

Graphics Features

FeatureAMD Radeon HD 7750AMD Radeon HD 7970
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.1 (1.2)
Vulkan
1.2.170
1.2.170
Shader Model
6.5 (5.1)
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
48
Detailed Features

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