AMD Radeon RX 6950 XT vs AMD Radeon HD 6850
GPU Specs Compare
Graphics Card
Release Date
May 2022
Oct 2010
Generation
Navi II
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1860 MHz
-
Boost Clock
2310 MHz
-
Memory Clock
2250 MHz
1000 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
128.0GB/s
Render Config
Compute Units
80
12
Shading Units
5120
960
TMUs
320
48
ROPs
128
32
RT Cores
80
-
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
295.7 GPixel/s
24.80 GPixel/s
Texture Rate
739.2 GTexel/s
37.20 GTexel/s
FP16 (half)
47.31 TFLOPS
-
FP32 (float)
23.65 TFLOPS
1488 GFLOPS
FP64 (double)
1478 GFLOPS
-
Graphics Processor
GPU Name
Navi 21
Barts
GPU Variant
Navi 21 KXTX(215-121000289)
Barts PRO(215-0798006)
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
26.8 billion
1.7 billion
Die Size
520 mm²
255 mm²
Board Design
TDP
335W
127W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.5
5.0