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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX Vega 56

545%
545%

AMD Radeon HD 7770 GHz Edition

49%
49%
AMD Radeon RX Vega 56 is approximately 496% faster

Technical Specifications

SpecificationAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Graphics ProcessorDifferent
Vega 10
Cape Verde
CoresDifferent
3584
640
TMUsDifferent
224
40
ROPsDifferent
64
16
Memory SizeDifferent
8 GB
1024 MB
Memory TypeDifferent
HBM2
GDDR5
Bus WidthDifferent
2048 bit
128 bit

Graphics Processor

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
GPU NameDifferent
Vega 10
Cape Verde
GPU VariantDifferent
Vega 10 XL(215-0894216)
Cape Verde XT(215-0825117)
ArchitectureDifferent
GCN 5.0
GCN 1.0
FoundryDifferent
GlobalFoundries
TSMC
Process SizeDifferent
14 nm
28 nm
TransistorsDifferent
12,500 million
1,500 million
DensityDifferent
25.3M / mm²
12.2M / mm²
Die SizeDifferent
495 mm²
123 mm²
Chip PackageDifferent
BGA-2013
FCBGA-962

Graphics Card

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Release DateDifferent
Aug 14th, 2017
Feb 15th, 2012
GenerationDifferent
Vega(RX Vega)
Southern Islands(HD 7700)
PredecessorDifferent
Polaris
Northern Islands
SuccessorDifferent
Navi
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
399 USD
159 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
23 in our database
97 in our database

Clock Speeds

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Base ClockDifferent
1156 MHz
N/A
Boost ClockDifferent
1471 MHz
N/A
SOC ClockDifferent
960 MHz
N/A
Memory ClockDifferent
800 MHz1600 Mbps effective
1125 MHz4.5 Gbps effective
GPU ClockDifferent
N/A
1000 MHz

Memory

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Memory SizeDifferent
8 GB
1024 MB
Memory TypeDifferent
HBM2
GDDR5
Memory BusDifferent
2048 bit
128 bit
BandwidthDifferent
409.6 GB/s
72.00 GB/s

Render Config

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Shading UnitsDifferent
3584
640
TMUsDifferent
224
40
ROPsDifferent
64
16
Compute UnitsDifferent
56
10
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
4 MB
256 KB

Theoretical Performance

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Pixel RateDifferent
94.14 GPixel/s
16.00 GPixel/s
Texture RateDifferent
329.5 GTexel/s
40.00 GTexel/s
FP16 (half)Different
21.09 TFLOPS (2:1)
N/A
FP32 (float)Different
10.54 TFLOPS
1,280.0 GFLOPS
FP64 (double)Different
659.0 GFLOPS (1:16)
80.00 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
Slot Width
Dual-slot
Dual-slot
LengthDifferent
280 mm11 inches
210 mm8.3 inches
HeightDifferent
111 mm4.4 inches
N/A
WidthDifferent
40 mm1.6 inches
N/A
TDPDifferent
210 W
80 W
Suggested PSUDifferent
550 W
250 W
OutputsDifferent
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
1x 6-pin
Board NumberDifferent
109-D05057-00_02
109-C44157-00C, C468

Graphics Features

FeatureAMD Radeon RX Vega 56AMD Radeon HD 7770 GHz Edition
DirectXDifferent
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.7
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
52
Detailed Features

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