Home GPU Comparison ATI Radeon HD 5850 vs AMD Radeon RX 6900 XT

ATI Radeon HD 5850 vs AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5850 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5850 's Advantages
Lower TDP (151W vs 300W)
AMD Radeon RX 6900 XT 's Advantages
Released 11 years and 1 months late
Boost Clock2250MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)
3680 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 5850
2.088 TFLOPS
Radeon RX 6900 XT +1003%
23.04 TFLOPS
VS

Graphics Card

Sep 2009
Release Date
Oct 2020
Evergreen
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1825 MHz
-
Boost Clock
2250 MHz
1000 MHz
Memory Clock
2000 MHz

Memory

1024MB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
512.0GB/s

Render Config

18
Compute Units
80
-
-
-
1440
Shading Units
5120
72
TMUs
320
32
ROPs
128
-
-
-
-
RT Cores
80
8 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
-
L3 Cache
128 MB

Theoretical Performance

23.20 GPixel/s
Pixel Rate
288.0 GPixel/s
52.20 GTexel/s
Texture Rate
720.0 GTexel/s
-
FP16 (half)
46.08 TFLOPS
2.088 TFLOPS
FP32 (float)
23.04 TFLOPS
417.6 GFLOPS
FP64 (double)
1440 GFLOPS

Board Design

151W
TDP
300W
450 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
2x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

Cypress
GPU Name
Navi 21
Cypress PRO (215-0735043)
GPU Variant
Navi 21 XTX (215-121000167)
TeraScale 2
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
2.154 billion
Transistors
26.8 billion
334 mm²
Die Size
520 mm²

Graphics Features

11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
-
-
5.0
Shader Model
6.5

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