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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce RTX 3090

1674%
1674%

AMD Radeon HD 6850

7%
7%
NVIDIA GeForce RTX 3090 is approximately 1667% faster

Technical Specifications

SpecificationNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Graphics ProcessorDifferent
GA102
Barts
CoresDifferent
10496
960
TMUsDifferent
328
48
ROPsDifferent
112
32
Memory SizeDifferent
24 GB
1024 MB
Memory TypeDifferent
GDDR6X
GDDR5
Bus WidthDifferent
384 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
GPU NameDifferent
GA102
Barts
GPU VariantDifferent
GA102-300-A1
Barts PRO(215-0798006)
ArchitectureDifferent
Ampere
TeraScale 2
FoundryDifferent
Samsung
TSMC
Process SizeDifferent
8 nm
40 nm
TransistorsDifferent
28,300 million
1,700 million
DensityDifferent
45.1M / mm²
6.7M / mm²
Die SizeDifferent
628 mm²
255 mm²
Chip PackageDifferent
BGA-3328
HFCBGA-1737

Graphics Card

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Release DateDifferent
Sep 1st, 2020
Oct 21st, 2010
AvailabilityDifferent
Sep 24th, 2020
N/A
GenerationDifferent
GeForce 30
Northern Islands(HD 6800)
PredecessorDifferent
GeForce 20
Evergreen
SuccessorDifferent
GeForce 40
Southern Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
1,499 USD
179 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
59 in our database
105 in our database

Clock Speeds

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Base ClockDifferent
1395 MHz
N/A
Boost ClockDifferent
1695 MHz
N/A
Memory ClockDifferent
1219 MHz19.5 Gbps effective
1000 MHz4 Gbps effective
GPU ClockDifferent
N/A
775 MHz

Memory

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Memory SizeDifferent
24 GB
1024 MB
Memory TypeDifferent
GDDR6X
GDDR5
Memory BusDifferent
384 bit
256 bit
BandwidthDifferent
936.2 GB/s
128.0 GB/s

Render Config

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Shading UnitsDifferent
10496
960
TMUsDifferent
328
48
ROPsDifferent
112
32
SM CountDifferent
82
N/A
Tensor CoresDifferent
328
N/A
RT CoresDifferent
82
N/A
L1 CacheDifferent
128 KB (per SM)
8 KB (per CU)
L2 CacheDifferent
6 MB
512 KB
Compute UnitsDifferent
N/A
12

Theoretical Performance

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Pixel RateDifferent
189.8 GPixel/s
24.80 GPixel/s
Texture RateDifferent
556.0 GTexel/s
37.20 GTexel/s
FP16 (half)Different
35.58 TFLOPS (1:1)
N/A
FP32 (float)Different
35.58 TFLOPS
1,488.0 GFLOPS
FP64 (double)Different
556.0 GFLOPS (1:64)
N/A

Board Design

FeatureNVIDIA GeForce RTX 3090AMD Radeon HD 6850
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
336 mm13.2 inches
198 mm7.8 inches
HeightDifferent
140 mm5.5 inches
N/A
WidthDifferent
61 mm2.4 inches
N/A
TDPDifferent
350 W
127 W
Suggested PSUDifferent
750 W
300 W
OutputsDifferent
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power ConnectorsDifferent
1x 12-pin
1x 6-pin
Board NumberDifferent
PG132 SKU 10
109-C22301-00B

Graphics Features

FeatureNVIDIA GeForce RTX 3090AMD 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
8.6
N/A
Shader ModelDifferent
6.8
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
56
Detailed Features

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