Radeon RX 6650 XT vs Radeon HD 6850
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6650 XT Advantages
Released 11 years and 7 months late
Boost Clock2635MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (280.3GB/s vs 128.0GB/s)
1088 additional rendering cores
Radeon HD 6850 Advantages
Lower TDP (127W vs 176W)
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
+625%
10790
Radeon HD 6850
1488
3DMark Time Spy
Radeon RX 6650 XT
+106%
9926
Radeon HD 6850
4799
Graphics Card
May 2022
Release Date
Oct 2010
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
2055 MHz
Base Clock
-
2635 MHz
Boost Clock
-
2190 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
280.3GB/s
Bandwidth
128.0GB/s
Render Config
32
Compute Units
12
2048
Shading Units
960
128
TMUs
48
64
ROPs
32
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
32 MB
L3 Cache
-
Theoretical Performance
168.6 GPixel/s
Pixel Rate
24.80 GPixel/s
337.3 GTexel/s
Texture Rate
37.20 GTexel/s
21.59 TFLOPS
FP16 (half)
-
10.79 TFLOPS
FP32 (float)
1488 GFLOPS
674.6 GFLOPS
FP64 (double)
-
Board Design
176W
TDP
127W
450 W
Suggested PSU
300 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 23
GPU Name
Barts
Navi 23 KXT
(215-130000136)
(215-130000136)
GPU Variant
Barts PRO
(215-0798006)
(215-0798006)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
1.7 billion
237 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
6.5
Shader Model
5.0
