AMD Radeon RX 6950 XT vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
May 2022
Jul 2011
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
1050 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
134.4GB/s
Render Config
Compute Units
80
14
Shading Units
5120
1120
TMUs
320
56
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
28.80 GPixel/s
Texture Rate
739.2 GTexel/s
50.40 GTexel/s
FP16 (half)
47.31 TFLOPS
—
FP32 (float)
23.65 TFLOPS
2.016 TFLOPS
FP64 (double)
1478 GFLOPS
—
Graphics Processor
GPU Name
Navi 21
Barts
GPU Variant
Navi 21 KXTX(215-121000289)
Barts XT(215-0798000)
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
300W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 8-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.