AMD Radeon RX 6650 XT vs AMD Radeon HD 8770 OEM

GPU · Specs Compare

Products
GPU AMD Radeon RX 6650 XT AMD · 2022-05
GPU AMD Radeon HD 8770 OEM AMD · 2013-09
Graphics Card
Release Date
May 2022
Sep 2013
Generation
Navi II
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
2055 MHz
—
Boost Clock
2635 MHz
—
Memory Clock
2190 MHz
1500 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
128bit
Bandwidth
280.3GB/s
96.00GB/s
Render Config
Compute Units
32
14
Shading Units
2048
896
TMUs
128
56
ROPs
64
16
RT Cores
32
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
168.6 GPixel/s
16.80 GPixel/s
Texture Rate
337.3 GTexel/s
58.80 GTexel/s
FP16 (half)
21.59 TFLOPS
—
FP32 (float)
10.79 TFLOPS
1.882 TFLOPS
FP64 (double)
674.6 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Navi 23
Bonaire
GPU Variant
Navi 23 KXT(215-130000136)
Bonaire XT(215-0839039)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
2.08 billion
Die Size
237 mm²
160 mm²
Board Design
TDP
176W
85W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.5
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.