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