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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 3080

615%
615%

AMD Radeon HD 6990

18%
18%
NVIDIA GeForce RTX 3080 is approximately 597% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Graphics ProcessorDifferent
GA102
Antilles x2
CoresDifferent
8704
1536 x2
TMUsDifferent
272
96 x2
ROPsDifferent
96
32 x2
Memory SizeDifferent
10 GB
2 GB x2
Memory TypeDifferent
GDDR6X
GDDR5
Bus WidthDifferent
320 bit
256 bit x2

Graphics Processor

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
GPU NameDifferent
GA102
Antilles
GPU VariantDifferent
GA102-200-KD-A1
Antilles XT(215-0807027)
ArchitectureDifferent
Ampere
TeraScale 3
FoundryDifferent
Samsung
TSMC
Process SizeDifferent
8 nm
40 nm
TransistorsDifferent
28,300 million
2,640 million
DensityDifferent
45.1M / mm²
6.8M / mm²
Die SizeDifferent
628 mm²
389 mm²
Chip PackageDifferent
BGA-3328
N/A

Graphics Card

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Release DateDifferent
Sep 1st, 2020
Mar 8th, 2011
AvailabilityDifferent
Sep 17th, 2020
N/A
GenerationDifferent
GeForce 30
Northern Islands(HD 6900)
PredecessorDifferent
GeForce 20
Evergreen
SuccessorDifferent
GeForce 40
Southern Islands
ProductionDifferent
Active
End-of-life
Launch Price
699 USD
699 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
103 in our database
47 in our database

Clock Speeds

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Base ClockDifferent
1440 MHz
N/A
Boost ClockDifferent
1710 MHz
N/A
Memory ClockDifferent
1188 MHz19 Gbps effective
1250 MHz5 Gbps effective
GPU ClockDifferent
N/A
830 MHz

Memory

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Memory SizeDifferent
10 GB
2 GB
Memory TypeDifferent
GDDR6X
GDDR5
Memory BusDifferent
320 bit
256 bit
BandwidthDifferent
760.3 GB/s
160.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Shading UnitsDifferent
8704
1536
TMUsDifferent
272
96
ROPsDifferent
96
32
SM CountDifferent
68
N/A
Tensor CoresDifferent
272
N/A
RT CoresDifferent
68
N/A
L1 CacheDifferent
128 KB (per SM)
8 KB (per CU)
L2 CacheDifferent
5 MB
512 KB
Compute UnitsDifferent
N/A
24

Theoretical Performance

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Pixel RateDifferent
164.2 GPixel/s
26.56 GPixel/s
Texture RateDifferent
465.1 GTexel/s
79.68 GTexel/s
FP16 (half)Different
29.77 TFLOPS (1:1)
N/A
FP32 (float)Different
29.77 TFLOPS
2.550 TFLOPS
FP64 (double)Different
465.1 GFLOPS (1:64)
637.4 GFLOPS (1:4)

Board Design

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
Slot Width
Dual-slot
Dual-slot
LengthDifferent
285 mm11.2 inches
310 mm12.2 inches
HeightDifferent
112 mm4.4 inches
115 mm4.5 inches
Width
40 mm1.6 inches
40 mm1.6 inches
TDPDifferent
320 W
375 W
Suggested PSUDifferent
700 W
750 W
OutputsDifferent
1x HDMI 2.13x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power ConnectorsDifferent
1x 12-pin
2x 8-pin
Board NumberDifferent
PG132 SKU 30
109-C20647-00

Graphics Features

FeatureNVIDIA GeForce RTX 3080AMD Radeon HD 6990
DirectXDifferent
12 Ultimate (12_2)
11.2 (11_0)
OpenGLDifferent
4.6
4.4
OpenCLDifferent
3.0
1.2
VulkanDifferent
1.3
N/A
CUDADifferent
8.6
N/A
Shader ModelDifferent
6.8
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
56
Detailed Features

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