ATI Radeon HD 4670 vs AMD Radeon RX 6800 XT
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4670 's Advantages
Lower TDP (59W vs 300W)
AMD Radeon RX 6800 XT 's Advantages
Released 12 years and 1 months late
Boost Clock2250MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 32.00GB/s)
4288 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
0.48 TFLOPS
Radeon RX 6800 XT
+4220%
20.74 TFLOPS
3DMark Time Spy
Radeon HD 4670
1410
Radeon RX 6800 XT
+1270%
19329
Graphics Card
Sep 2008
Release Date
Oct 2020
Radeon R700
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1825 MHz
-
Boost Clock
2250 MHz
1000 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
16GB
GDDR3
Memory Type
GDDR6
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
512.0GB/s
Render Config
4
Compute Units
72
-
-
-
320
Shading Units
4608
32
TMUs
288
8
ROPs
128
-
-
-
-
RT Cores
72
16 KB (per CU)
L1 Cache
128 KB per Array
128 KB
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
288.0 GPixel/s
24.00 GTexel/s
Texture Rate
648.0 GTexel/s
-
FP16 (half)
41.47 TFLOPS
480.0 GFLOPS
FP32 (float)
20.74 TFLOPS
-
FP64 (double)
1296 GFLOPS
Board Design
59W
TDP
300W
250 W
Suggested PSU
700 W
2x DVI
1x S-Video
Outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
RV730
GPU Name
Navi 21
RV730 XT
(215-0719047)
GPU Variant
Navi 21 XT
(215-121000177)
TeraScale
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
7 nm
0.514 billion
Transistors
26.8 billion
146 mm²
Die Size
520 mm²
Graphics Features
10.1 (10_1)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
-
-
-
4.1
Shader Model
6.5
