GPU DB

Back to All GPUs

GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 4080 SUPER

834%
834%

AMD Radeon HD 6990

12%
12%
NVIDIA GeForce RTX 4080 SUPER is approximately 822% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Graphics ProcessorDifferent
AD103
Antilles x2
CoresDifferent
10240
1536 x2
TMUsDifferent
320
96 x2
ROPsDifferent
112
32 x2
Memory SizeDifferent
16 GB
2 GB x2
Memory TypeDifferent
GDDR6X
GDDR5
Bus WidthDifferent
256 bit
256 bit x2

Graphics Processor

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
GPU NameDifferent
AD103
Antilles
GPU VariantDifferent
AD103-400-A1
Antilles XT(215-0807027)
ArchitectureDifferent
Ada Lovelace
TeraScale 3
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
40 nm
TransistorsDifferent
45,900 million
2,640 million
DensityDifferent
121.1M / mm²
6.8M / mm²
Die SizeDifferent
379 mm²
389 mm²

Graphics Card

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Release DateDifferent
Jan 8th, 2024
Mar 8th, 2011
AvailabilityDifferent
Jan 31st, 2024
N/A
GenerationDifferent
GeForce 40
Northern Islands(HD 6900)
PredecessorDifferent
GeForce 30
Evergreen
SuccessorDifferent
GeForce 50
Southern Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
999 USD
699 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
58 in our database
47 in our database

Clock Speeds

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Base ClockDifferent
2295 MHz
N/A
Boost ClockDifferent
2550 MHz
N/A
Memory ClockDifferent
1438 MHz23 Gbps effective
1250 MHz5 Gbps effective
GPU ClockDifferent
N/A
830 MHz

Memory

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Memory SizeDifferent
16 GB
2 GB
Memory TypeDifferent
GDDR6X
GDDR5
Memory Bus
256 bit
256 bit
BandwidthDifferent
736.3 GB/s
160.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Shading UnitsDifferent
10240
1536
TMUsDifferent
320
96
ROPsDifferent
112
32
SM CountDifferent
80
N/A
Tensor CoresDifferent
320
N/A
RT CoresDifferent
80
N/A
L1 CacheDifferent
128 KB (per SM)
8 KB (per CU)
L2 CacheDifferent
64 MB
512 KB
Compute UnitsDifferent
N/A
24

Theoretical Performance

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Pixel RateDifferent
285.6 GPixel/s
26.56 GPixel/s
Texture RateDifferent
816.0 GTexel/s
79.68 GTexel/s
FP16 (half)Different
52.22 TFLOPS (1:1)
N/A
FP32 (float)Different
52.22 TFLOPS
2.550 TFLOPS
FP64 (double)Different
816.0 GFLOPS (1:64)
637.4 GFLOPS (1:4)

Board Design

FeatureNVIDIA GeForce RTX 4080 SUPERAMD Radeon HD 6990
Slot WidthDifferent
Triple-slot
Dual-slot
Length
310 mm12.2 inches
310 mm12.2 inches
HeightDifferent
140 mm5.5 inches
115 mm4.5 inches
WidthDifferent
61 mm2.4 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 16-pin
2x 8-pin
Board NumberDifferent
PG139 SKU 355
109-C20647-00

Graphics Features

FeatureNVIDIA GeForce RTX 4080 SUPERAMD 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
8.9
N/A
Shader ModelDifferent
6.8
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
55
Detailed Features

More Comparisons with NVIDIA GeForce RTX 4080 SUPER

Compare NVIDIA GeForce RTX 4080 SUPER with other GPUs of similar performance

More Comparisons with AMD Radeon HD 6990

Compare AMD Radeon HD 6990 with other GPUs of similar performance