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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 6950 XT

1479%
1479%

AMD Radeon HD 7770 GHz Edition

18%
18%
AMD Radeon RX 6950 XT is approximately 1461% faster

Technical Specifications

SpecificationAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Graphics ProcessorDifferent
Navi 21
Cape Verde
CoresDifferent
5120
640
TMUsDifferent
320
40
ROPsDifferent
128
16
Memory SizeDifferent
16 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
256 bit
128 bit

Graphics Processor

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
GPU NameDifferent
Navi 21
Cape Verde
GPU VariantDifferent
Navi 21 KXTX(215-121000289)
Cape Verde XT(215-0825117)
ArchitectureDifferent
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
7 nm
28 nm
TransistorsDifferent
26,800 million
1,500 million
DensityDifferent
51.5M / mm²
12.2M / mm²
Die SizeDifferent
520 mm²
123 mm²
Chip PackageDifferent
BGA-2425
FCBGA-962

Graphics Card

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Release DateDifferent
May 10th, 2022
Feb 15th, 2012
GenerationDifferent
Navi II(RX 6000)
Southern Islands(HD 7700)
PredecessorDifferent
Navi
Northern Islands
SuccessorDifferent
Navi III
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
1,099 USD
159 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
21 in our database
97 in our database

Clock Speeds

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Base ClockDifferent
1860 MHz
N/A
Game ClockDifferent
2100 MHz
N/A
Boost ClockDifferent
2310 MHz
N/A
Memory ClockDifferent
2250 MHz18 Gbps effective
1125 MHz4.5 Gbps effective
GPU ClockDifferent
N/A
1000 MHz

Memory

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Memory SizeDifferent
16 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
256 bit
128 bit
BandwidthDifferent
576.0 GB/s
72.00 GB/s

Render Config

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Shading UnitsDifferent
5120
640
TMUsDifferent
320
40
ROPsDifferent
128
16
Compute UnitsDifferent
80
10
RT CoresDifferent
80
N/A
L0 CacheDifferent
32 KB per WGP
N/A
L1 CacheDifferent
128 KB per Array
16 KB (per CU)
L2 CacheDifferent
4 MB
256 KB
L3 CacheDifferent
128 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Pixel RateDifferent
295.7 GPixel/s
16.00 GPixel/s
Texture RateDifferent
739.2 GTexel/s
40.00 GTexel/s
FP16 (half)Different
47.31 TFLOPS (2:1)
N/A
FP32 (float)Different
23.65 TFLOPS
1,280.0 GFLOPS
FP64 (double)Different
1,478.4 GFLOPS (1:16)
80.00 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
210 mm8.3 inches
HeightDifferent
120 mm4.7 inches
N/A
WidthDifferent
50 mm2 inches
N/A
TDPDifferent
335 W
80 W
Suggested PSUDifferent
700 W
250 W
OutputsDifferent
1x HDMI 2.12x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
1x 6-pin
Board NumberDifferent
D412
109-C44157-00C, C468

Graphics Features

FeatureAMD Radeon RX 6950 XTAMD Radeon HD 7770 GHz Edition
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.8
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
55
Detailed Features

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