GeForce RTX 4090 vs Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 's Advantages
Released 13 years and 8 months late
Boost Clock2520MHz
More VRAM (24GB vs 512GB)
Larger VRAM bandwidth (1.01TB/s vs 108.8GB/s)
15584 additional rendering cores
Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+6781%
82580
Radeon HD 4870 Mac Edition
1200
Graphics Card
Sep 2022
Release Date
Jan 2009
GeForce 40
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
850 MHz
Memory
24GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
256bit
1.01TB/s
Bandwidth
108.8GB/s
Render Config
-
Compute Units
10
128
SM Count
-
16384
Shading Units
800
512
TMUs
40
176
ROPs
16
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
72 MB
L2 Cache
256 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
12.00 GPixel/s
1290 GTexel/s
Texture Rate
30.00 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
1200 GFLOPS
1290 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
450W
TDP
150W
850 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x mini-DisplayPort 1.0
1x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD102
GPU Name
RV770
AD102-300-A1
GPU Variant
RV770 XT Mac
(215-0669080)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
76.3 billion
Transistors
0.956 billion
609 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
-
6.8
Shader Model
4.1