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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 4090

2591%
2591%

AMD Radeon HD 6850

4%
4%
NVIDIA GeForce RTX 4090 is approximately 2587% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Graphics ProcessorDifferent
AD102
Barts
CoresDifferent
16384
960
TMUsDifferent
512
48
ROPsDifferent
176
32
Memory SizeDifferent
24 GB
1024 MB
Memory TypeDifferent
GDDR6X
GDDR5
Bus WidthDifferent
384 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
GPU NameDifferent
AD102
Barts
GPU VariantDifferent
AD102-300-A1
Barts PRO(215-0798006)
ArchitectureDifferent
Ada Lovelace
TeraScale 2
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
40 nm
TransistorsDifferent
76,300 million
1,700 million
DensityDifferent
125.3M / mm²
6.7M / mm²
Die SizeDifferent
609 mm²
255 mm²
Chip PackageDifferent
N/A
HFCBGA-1737

Graphics Card

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Release DateDifferent
Sep 20th, 2022
Oct 21st, 2010
AvailabilityDifferent
Oct 12th, 2022
N/A
GenerationDifferent
GeForce 40
Northern Islands(HD 6800)
PredecessorDifferent
GeForce 30
Evergreen
SuccessorDifferent
GeForce 50
Southern Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
1,599 USD
179 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
76 in our database
105 in our database

Clock Speeds

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Base ClockDifferent
2235 MHz
N/A
Boost ClockDifferent
2520 MHz
N/A
Memory ClockDifferent
1313 MHz21 Gbps effective
1000 MHz4 Gbps effective
GPU ClockDifferent
N/A
775 MHz

Memory

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Memory SizeDifferent
24 GB
1024 MB
Memory TypeDifferent
GDDR6X
GDDR5
Memory BusDifferent
384 bit
256 bit
BandwidthDifferent
1.01 TB/s
128.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Shading UnitsDifferent
16384
960
TMUsDifferent
512
48
ROPsDifferent
176
32
SM CountDifferent
128
N/A
Tensor CoresDifferent
512
N/A
RT CoresDifferent
128
N/A
L1 CacheDifferent
128 KB (per SM)
8 KB (per CU)
L2 CacheDifferent
72 MB
512 KB
Compute UnitsDifferent
N/A
12

Theoretical Performance

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Pixel RateDifferent
443.5 GPixel/s
24.80 GPixel/s
Texture RateDifferent
1,290.2 GTexel/s
37.20 GTexel/s
FP16 (half)Different
82.58 TFLOPS (1:1)
N/A
FP32 (float)Different
82.58 TFLOPS
1,488.0 GFLOPS
FP64 (double)Different
1,290.2 GFLOPS (1:64)
N/A

Board Design

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
304 mm12 inches
198 mm7.8 inches
HeightDifferent
137 mm5.4 inches
N/A
WidthDifferent
61 mm2.4 inches
N/A
TDPDifferent
450 W
127 W
Suggested PSUDifferent
850 W
300 W
OutputsDifferent
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power ConnectorsDifferent
1x 16-pin
1x 6-pin
Board NumberDifferent
PG139 SKU 330
109-C22301-00B

Graphics Features

FeatureNVIDIA GeForce RTX 4090AMD Radeon HD 6850
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
56
Detailed Features

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