AMD Radeon RX 6750 GRE 12 GB vs AMD Radeon HD 8870 OEM
GPU Specs Compare
Graphics Card
Release Date
Oct 2023
Jan 2013
Generation
Navi II
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2321 MHz
-
Boost Clock
2581 MHz
-
Memory Clock
2250 MHz
1200 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
153.6GB/s
Render Config
Compute Units
40
20
Shading Units
2560
1280
TMUs
160
80
ROPs
64
32
RT Cores
40
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
3 MB
512 KB
L3 Cache
96 MB
-
Theoretical Performance
Pixel Rate
165.2 GPixel/s
32.00 GPixel/s
Texture Rate
413.0 GTexel/s
80.00 GTexel/s
FP16 (half)
26.43 TFLOPS
-
FP32 (float)
13.21 TFLOPS
2.560 TFLOPS
FP64 (double)
825.9 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Navi 22
Pitcairn
GPU Variant
Navi 22 KXT(215-127000144)
Pitcairn XT(215-0828047)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
17.2 billion
2.8 billion
Die Size
335 mm²
212 mm²
Board Design
TDP
250W
175W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1