AMD Radeon HD 6870 vs AMD Radeon RX 7800M
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Sep 2024
Generation
Northern Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
2250 MHz
Base Clock
—
1295 MHz
Boost Clock
—
2335 MHz
Memory
Memory Size
1024MB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
134.4GB/s
432.0GB/s
Render Config
Compute Units
14
60
Shading Units
1120
3840
TMUs
56
240
ROPs
32
96
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
—
60
L3 Cache
—
48 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
224.2 GPixel/s
Texture Rate
50.40 GTexel/s
560.4 GTexel/s
FP32 (float)
2.016 TFLOPS
35.87 TFLOPS
FP16 (half)
—
71.73 TFLOPS
FP64 (double)
—
1121 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 32
GPU Variant
Barts XT(215-0798000)
Navi 32 XT(215-180000006)
Architecture
TeraScale 2
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
28.1 billion
Die Size
255 mm²
346 mm²
Board Design
TDP
151W
180W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Power Connectors
2x 6-pin
None
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.