AMD Radeon HD 6870 vs AMD Radeon RX 8800 XT
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Unknown
Generation
Northern Islands
Navi IV(RX 8000)
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
2438 MHz
Base Clock
—
1295 MHz
Boost Clock
—
2430 MHz
Memory
Memory Size
1024MB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
624.1GB/s
Render Config
Compute Units
14
64
Shading Units
1120
4096
TMUs
56
256
ROPs
32
96
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
—
64
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
233.3 GPixel/s
Texture Rate
50.40 GTexel/s
622.1 GTexel/s
FP32 (float)
2.016 TFLOPS
19.91 TFLOPS
FP16 (half)
—
39.81 TFLOPS
FP64 (double)
—
622.1 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 48
GPU Variant
Barts XT(215-0798000)
Navi 48 XT
Architecture
TeraScale 2
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
40 nm
4 nm
Transistors
1.7 billion
Unknown
Die Size
255 mm²
Unknown
Board Design
TDP
151W
220W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.3
Shader Model
5.0
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.